ST72C314N4B7(2003) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72C314N4B7
(Rev.:2003)

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

STMicroelectronics 

ST72334J/N, ST72314J/N, ST72124J

I/O PORTS (Cont’d)

Table 9. I/O Port Register Map and Reset Values

Address

(Hex.)

Register

Label

7

6

5

4

3

2

1

0

Reset Value

of all IO port registers

0

0

0

0

0

0

0

0

0000h PADR

0001h PADDR

MSB

LSB

0002h PAOR 1)

0004h PCDR

0005h PCDDR

MSB

LSB

0006h PCOR

0008h PBDR

0009h PBDDR

MSB

LSB

000Ah PBOR 1)

000Ch PEDR

000Dh PEDDR

MSB

LSB

000Eh PEOR 1)

0010h PDDR

0011h PDDDR

MSB

LSB

0012h PDOR 1)

0014h PFDR

0015h PFDDR

MSB

LSB

0016h PFOR

Notes:

1) The bits corresponding to unavailable pins are forced to 1 by hardware, this affects the reset status value.

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