ST7DALIF2 STMicroelectronics, ST7DALIF2 Datasheet - Page 67

• Manufacturer Part Number: ST7DALIF2
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7DALIF2

• 8 Kbytes Single Voltage Flash Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55°C.
• 256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55°C.
• Clock Sources: Internal 1% RC oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt

ST7DALIF2
12.7
Device-specific I/O port configuration
The I/O port register configurations are summarized as follows.
Table 29.
Table 30.
Table 31.
Table 32.
Table 33.
floating input
pull-up input
open drain output
push-pull output
Floating input
Pull-up interrupt input
Open drain output
Push-pull output
Address
(Hex.)
0000h
0001h
0002h
Port A
Port B
Port A
Port B
Port
Port
PADR
Reset
Value
PADDR
Reset
Value
PAOR
Reset
Value
Register
Ports PA7:0, PB6:0 with interrupt capability not selected in EISR register
Ports PA7:0, PB6:0 with interrupt capability selected in EISR register
Port configuration (interrupt capability not selected in the EISR register)
Port configuration (interrupt capability selected in the EISR register)
I/O port register map and reset values
label
PA7:0
PB6:0
PA7:0
PB6:0
Pin name
Pin name
MSB
MSB
MSB
7
1
0
0
Mode
Mode
floating
floating
OR = 0
OR = 0
floating
floating
6
1
0
1
Input
Input
5
1
0
0
pull-up interrupt
pull-up interrupt
OR = 1
OR = 1
pull-up
pull-up
4
1
0
0
3
1
0
0
open drain
open drain
open drain
open drain
OR = 0
OR = 0
DDR
DDR
0
0
1
1
0
0
1
1
2
1
0
0
Output
Output
1
1
0
0
push-pull
push-pull
push-pull
push-pull
OR = 1
OR = 1
OR
OR
I/O ports
0
1
0
1
0
1
0
1
LSB
LSB
LSB
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0
1
0
0