ST7FLITE30 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST7FLITE30

8-bit MCU with single voltage Flash, data EEPROM, ADC, timers, SPI, LINSCI™

STMicroelectronics 

Prev 51 52 53 54 55 56 57 58 59 60 Next

ST7LITE3xF2

I/O PORTS (Cont’d)

The I/O port register configurations are summa-

rised as follows.

Standard Ports

PA7:0, PB6:0

MODE

floating input

pull-up input

open drain output

push-pull output

DDR OR

0

0

0

1

1

0

1

1

Interrupt Ports

Ports where the external interrupt capability is

selected using the EISR register

MODE

floating input

pull-up interrupt input

DDR OR

0

0

0

1

Table 11. Port Configuration (Standard ports)

Port

Port A

Port B

Pin name

PA7:0

PB6:0

Input (DDR=0)

OR = 0

OR = 1

floating

pull-up

floating

pull-up

Output (DDR=1)

OR = 0

OR = 1

open drain

push-pull

open drain

push-pull

Note: On ports where the external interrupt capability is selected using the EISR register, the configura-

tion will be as follows:

Table 12. Port Configuration (external interrupts)

Port

Port A

Port B

Pin name

PA6:1

PB5:0

Input with interrupt (DDR=0 ; EISR≠00)

OR = 0

OR = 1

floating

pull-up

floating

pull-up

Table 13. I/O Port Register Map and Reset Values

Address

(Hex.)

Register

Label

7

6

5

4

3

2

1

0

PADR

MSB

LSB

0000h

Reset Value

1

1

1

1

1

1

1

1

PADDR

MSB

LSB

0001h

Reset Value

0

0

0

0

0

0

0

0

PAOR

MSB

LSB

0002h

Reset Value

0

1

0

0

0

0

0

0

PBDR

MSB

LSB

0003h

Reset Value

1

1

1

1

1

1

1

1

PBDDR

MSB

LSB

0004h

Reset Value

0

0

0

0

0

0

0

0

PBOR

MSB

LSB

0005h

Reset Value

0

0

0

0

0

0

0

0

51/173

1

Share Link: