.hide-partial { max-height: none; } .show-more { display: none; }

ARM Cortex M4 Core Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 2,769

Applied Filters:

Core = ARM Cortex M4

Manufacturer

Product Type

Mounting Style

Package/Case

Data Bus Width

Maximum Clock Frequency

Program Memory Size

L1 Cache Data Memory

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ARM Microcontrollers - MCU High-performance advanced line, Arm Cortex-M4 core DSP & FPU, 1 Mbyte of Flash 1

STM32F469IGT6
STMicroelectronics
1: $18.20
232In Stock

Mfr. Part No.
STM32F469IGT6

Mouser Part No
511-STM32F469IGT6

STMicroelectronics

ARM Microcontrollers - MCU High-performance advanced line, Arm Cortex-M4 core DSP & FPU, 1 Mbyte of Flash 1

Learn More

Datasheet

232In Stock

$18.20

$13.83

$13.26

$11.68

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-176

ARM Cortex M4

32 bit

180 MHz

1 MB

384 kB

3 x 12 bit

131 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance advanced line, Arm Cortex-M4 core DSP & FPU, 2 Mbytes of Flash

STM32F469IIH6
STMicroelectronics
1: $19.88
464In Stock

Mfr. Part No.
STM32F469IIH6

Mouser Part No
511-STM32F469IIH6

STMicroelectronics

ARM Microcontrollers - MCU High-performance advanced line, Arm Cortex-M4 core DSP & FPU, 2 Mbytes of Flash

Learn More

Datasheet

464In Stock

$19.88

$15.78

$14.71

$13.63

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

BGA-176

ARM Cortex M4

32 bit

180 MHz

2 MB

384 kB

3 x 12 bit

131 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance advanced line, ARM Cortex-M4 core DSP & FPU, 2 Mbytes Flash, 18

STM32F469VIT6
STMicroelectronics
1: $17.07
1,028In Stock

Mfr. Part No.
STM32F469VIT6

Mouser Part No
511-STM32F469VIT6

STMicroelectronics

ARM Microcontrollers - MCU High-performance advanced line, ARM Cortex-M4 core DSP & FPU, 2 Mbytes Flash, 18

Learn More

Datasheet

1,028In Stock

$17.07

$12.78

$11.92

$11.11

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

180 MHz

2 MB

384 kB

3 x 12 bit

71 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance advanced line, ARM Cortex-M4 core DSP & FPU, 2 Mbyte Flash, 180

STM32F469ZIT6
STMicroelectronics
1: $19.10
175In Stock
1,080On Order

Mfr. Part No.
STM32F469ZIT6

Mouser Part No
511-STM32F469ZIT6

STMicroelectronics

ARM Microcontrollers - MCU High-performance advanced line, ARM Cortex-M4 core DSP & FPU, 2 Mbyte Flash, 180

Learn More

Datasheet

175In Stock

1,080On Order

$19.10

$15.15

$13.90

$13.08

$12.11

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M4

32 bit

180 MHz

2 MB

384 kB

3 x 12 bit

106 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal

STM32G431RBT6
STMicroelectronics
1: $6.54
612In Stock
1,920On Order

Mfr. Part No.
STM32G431RBT6

Mouser Part No
511-STM32G431RBT6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal

Learn More

Datasheet

612In Stock

1,920On Order

$6.54

$5.02

$4.63

$4.18

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

170 MHz

128 kB

32 kB

2 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal

STM32G431VBT6
STMicroelectronics
1: $8.18
518In Stock

Mfr. Part No.
STM32G431VBT6

Mouser Part No
511-STM32G431VBT6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal

Learn More

Datasheet

518In Stock

$8.18

$5.85

$5.35

$5.19

$4.90

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

170 MHz

128 kB

32 kB

2 x 12 bit

86 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal

STM32G441KBT6
STMicroelectronics
1: $6.56
686In Stock

Mfr. Part No.
STM32G441KBT6

Mouser Part No
511-STM32G441KBT6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal

Learn More

Datasheet

686In Stock

$6.56

$4.94

$4.44

$4.11

$3.97

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-32

ARM Cortex M4

32 bit

150 MHz

128 kB

32 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 512Kbytes of Flash Math Accel, High Analog l

STM32G473CEU6
STMicroelectronics
1: $9.11
586In Stock
1,560On Order

Mfr. Part No.
STM32G473CEU6

Mouser Part No
511-STM32G473CEU6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 512Kbytes of Flash Math Accel, High Analog l

Learn More

Datasheet

586In Stock

1,560On Order

$9.11

$7.41

$7.07

$6.13

$5.86

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M4

32 bit

170 MHz

512 kB

128 kB

5 x 12 bit

42 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l

STM32G473RCT6
STMicroelectronics
1: $8.02
2,241In Stock

Mfr. Part No.
STM32G473RCT6

Mouser Part No
511-STM32G473RCT6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170MHz 256Kbytes of Flash Math Accel, High Analog l

Learn More

Datasheet

2,241In Stock

$8.02

$6.22

$5.70

$5.29

View

Min.: 1
Mult.: 1
Max.: 960

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

170 MHz

256 kB

128 kB

5 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, HR Timer, H

STM32G474VBT6
STMicroelectronics
1: $9.28
884In Stock
3,240On Order

Mfr. Part No.
STM32G474VBT6

Mouser Part No
511-STM32G474VBT6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, HR Timer, H

Learn More

Datasheet

884In Stock

3,240On Order

$9.28

$7.09

$6.33

$5.87

$5.61

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

170 MHz

128 kB

5 x 12 bit

86 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz 512Kbytes of Flash Math Accel, High Analog

STM32G483RET6
STMicroelectronics
1: $9.66
614In Stock

Mfr. Part No.
STM32G483RET6

Mouser Part No
511-STM32G483RET6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz 512Kbytes of Flash Math Accel, High Analog

Learn More

Datasheet

614In Stock

$9.66

$7.57

$6.90

$6.38

$6.22

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

170 MHz

512 kB

128 kB

5 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 256Kbytes of Flash memory

STM32G491CCU6
STMicroelectronics
1: $7.32
3,410In Stock
3,120On Order

Mfr. Part No.
STM32G491CCU6

Mouser Part No
511-STM32G491CCU6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 256Kbytes of Flash memory

Learn More

Datasheet

3,410In Stock

3,120On Order

$7.32

$5.52

$4.93

$4.61

View

Min.: 1
Mult.: 1
Max.: 750

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M4

32 bit

170 MHz

256 kB

112 kB

4 x 12 bit

42 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory

STM32G491MET6
STMicroelectronics
1: $10.13
1,867In Stock

Mfr. Part No.
STM32G491MET6

Mouser Part No
511-STM32G491MET6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 512Kbytes of Flash memory

Learn More

Datasheet

1,867In Stock

$10.13

$7.89

$6.97

$6.59

$6.29

Min.: 1
Mult.: 1
Max.: 300

ARM Microcontrollers - MCU

SMD/SMT

LQFP-80

ARM Cortex M4

32 bit

170 MHz

512 kB

112 kB

4 x 12 bit

66 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB

STM32L412K8U6
STMicroelectronics
1: $3.70
4,052In Stock

Mfr. Part No.
STM32L412K8U6

Mouser Part No
511-STM32L412K8U6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB

Datasheet

4,052In Stock

$3.70

$2.78

$2.41

$2.30

$2.11

Min.: 1
Mult.: 1
Max.: 750

ARM Microcontrollers - MCU

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

80 MHz

64 kB

40 kB

2 x 12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

STM32L412KBU3
STMicroelectronics
1: $4.56
2,521In Stock

Mfr. Part No.
STM32L412KBU3

Mouser Part No
511-STM32L412KBU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

Datasheet

2,521In Stock

$4.56

$3.47

$3.02

$2.90

View

Min.: 1
Mult.: 1
Max.: 500

ARM Microcontrollers - MCU

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

40 kB

12 bit

26 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB

STM32L412R8T6
STMicroelectronics
1: $4.56
1,053In Stock

Mfr. Part No.
STM32L412R8T6

Mouser Part No
511-STM32L412R8T6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 64 Kbytes of Flash , USB

Datasheet

1,053In Stock

$4.56

$3.45

$3.01

$2.87

Min.: 1
Mult.: 1
Max.: 300

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

64 kB

40 kB

2 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

STM32L412RBT6
STMicroelectronics
1: $5.01
3,937In Stock

Mfr. Part No.
STM32L412RBT6

Mouser Part No
511-STM32L412RBT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

Learn More

Datasheet

3,937In Stock

$5.01

$3.71

$3.33

$3.07

View

Min.: 1
Mult.: 1
Max.: 750

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M4

32 bit

80 MHz

128 kB

40 kB

2 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

STM32L412RBT6P
STMicroelectronics
1: $4.99
899In Stock

Mfr. Part No.
STM32L412RBT6P

Mouser Part No
511-STM32L412RBT6P

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB

Datasheet

899In Stock

$4.99

$3.79

$3.30

$3.15

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

128 kB

40 kB

2 x 12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431RCI6
STMicroelectronics
1: $5.82
1,903In Stock

Mfr. Part No.
STM32L431RCI6

Mouser Part No
511-STM32L431RCI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

1,903In Stock

$5.82

$4.43

$3.88

$3.71

Min.: 1
Mult.: 1
Max.: 300

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-64

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash

STM32L432KBU6
STMicroelectronics
1: $5.04
2,786In Stock
2,940On Order

Mfr. Part No.
STM32L432KBU6

Mouser Part No
511-STM32L432KBU6

STMicroelectronics

ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash

Learn More

Datasheet

2,786In Stock

2,940On Order

$5.04

$3.83

$3.33

$3.17

View

Min.: 1
Mult.: 1
Max.: 500

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCT3
STMicroelectronics
1: $6.93
709In Stock
1,500On Order

Mfr. Part No.
STM32L433CCT3

Mouser Part No
511-STM32L433CCT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

709In Stock

1,500On Order

$6.93

$5.33

$4.68

$4.56

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCT6
STMicroelectronics
1: $6.11
2,777In Stock

Mfr. Part No.
STM32L433CCT6

Mouser Part No
511-STM32L433CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,777In Stock

$6.11

$4.68

$4.09

$3.91

$3.61

Min.: 1
Mult.: 1
Max.: 500

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCU3
STMicroelectronics
1: $6.72
893In Stock

Mfr. Part No.
STM32L433CCU3

Mouser Part No
511-STM32L433CCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

893In Stock

$6.72

$5.16

$4.54

$4.33

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCU6
STMicroelectronics
1: $5.97
3,205In Stock
3,120On Order

Mfr. Part No.
STM32L433CCU6

Mouser Part No
511-STM32L433CCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

3,205In Stock

3,120On Order

$5.97

$4.55

$3.99

$3.81

$3.58

Min.: 1
Mult.: 1
Max.: 750

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCY6TR
STMicroelectronics
1: $6.83
2,059In Stock

Mfr. Part No.
STM32L433CCY6TR

Mouser Part No
511-STM32L433CCY6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,059In Stock

Cut Tape

$6.83

$5.01

$4.68

$4.11

View

Reel

$3.50

MouseReel Available

Min.: 1
Mult.: 1
Max.: 500

: 5,000

ARM Microcontrollers - MCU

SMD/SMT

WLCSP-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Cortex M4 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

AQFN-73
BGA-100
BGA-112
BGA-120
BGA-121
BGA-124
BGA-125
BGA-144
BGA-146
BGA-152
BGA-168
BGA-169
BGA-176
BGA-192
BGA-196
BGA-216
BGA-224
BGA-256
BGA-64
CQFP-176

1 MHz
5 MHz
20 MHz
25 MHz
32 MHz
39 MHz
40 MHz
48 MHz
50 MHz
64 MHz
72 MHz
80 MHz
84 MHz
96 MHz
100 MHz
112 MHz
120 MHz
144 MHz
150 MHz
160 MHz

0 B
6 kB
8 kB, 1 MB
16 kB
32 kB
32 kB, 1 MB
64 kB
96 kB
128 kB
192 kB
220 kB, 512 kB
224 kB
256 kB
320 kB
352 kB
384 kB
416 kB
512 kB
640 kB
768 kB

2 kB
4 kB
8 kB
12 kB
16 kB
18 KB
20 kB
22 kB
24 KB
24 kB
32 kB
40 kB
48 kB
64 kB
64 kbit
65 kB
80 kB
88 kB
96 kB
112 kB

2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
3 x 12 bit
4 x 12 bit
4 x 16 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
6 bit/8 bit/10 bit/12 bit
8 bit
8 bit, 10 bit, 12 bit
10 bit
10 bit, 12 bit
10 bit, 13 bit
12 bit
12 bit, 14 bit
12 bit, 16 bit
12 bit, 3 x 16 bit
14 bit
16 bit

9 I/O
10 I/O
15 I/O
16 I/O
18 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O
28 I/O
29 I/O
30 I/O
31 I/O
32 I/O
33 I/O
34 I/O