UPSD3422_V01 datasheet(82/300 Pages) STMICROELECTRONICS

82 / 300 page

Obsolete

Product(s)

- Obsolete

Product(s)

Obsolete

Product(s)

- Obsolete

Product(s)

I/O ports of mcu module

UPSD3422, UPSD3433, UPSD3434, UPSD3454

82/300

P1.2

R,W

Port pin 1.2

P1.1

R,W

Port pin 1.1

P1.0

R,W

Port pin 1.0

Write '1' or '0' for pin output. Read for pin input, but prior to READ, this bit must have been set to '1' by

firmware or by a reset event.

Table 37.

P3: I/O port 3 register (SFR B0h, reset value FFh)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

P3.7

P3.6

P3.5

P3.4

P3.3

P3.2

P3.1

P3.0

Table 38.

P3 register bit definition

Bit

Symbol

R/W

Function(1)

Write '1' or '0' for pin output. Read for pin input, but prior to READ, this bit must have been set to '1' by

firmware or by a reset event.

P3.7

R,W

Port pin 3.7

P3.6

R,W

Port pin 3.6

P3.5

R,W

Port pin 3.5

P3.4

R,W

Port pin 3.4

P3.3

R,W

Port pin 3.3

P3.2

R,W

Port pin 3.2

P3.1

R,W

Port pin 3.1

P3.0

R,W

Port pin 3.0

Table 39.

P4: I/O port 4 register (SFR C0h, reset value FFh)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

P4.7

P4.6

P4.5

P4.4

P4.3

P4.2

P4.1

P4.0

Table 40.

P4 register bit definition

Bit

Symbol

R/W

Function(1)

Write '1' or '0' for pin output. Read for pin input, but prior to READ, this bit must have been set to '1' by

firmware or by a reset event.

P4.7

R,W

Port pin 4.7

P4.6

R,W

Port pin 4.6

P4.5

R,W

Port pin 4.5

P4.4

R,W

Port pin 4.4

P4.3

R,W

Port pin 4.3

P4.2

R,W

Port pin 4.2

P4.1

R,W

Port pin 4.1

P4.0

R,W

Port pin 4.0

Table 36.

P1 register bit definition (continued)

Bit

Symbol

R/W

Function(1)

Obsolete

Product(s)

- Obsolete

Product(s)

UPSD3422 bảng dữ liệu(PDF) 82 Page - STMicroelectronics

UPSD3422 bảng dữ liệu(HTML) 82 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

bảng dữ liệu tải về

Link URL