ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 74

• Manufacturer Part Number: ST7LITE49M
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST7LITE49M

• 4 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 10k write/erase cycles guaranteed Data retention
• 128 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow
• A/d Converter: 10 input channels

I/O ports
Table 32.
74/188
Address
(Hex.)
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
Table 30.
Table 31.
I/O port register mapping and reset values
Reset value
Reset value
Reset value
Reset value
Reset value
Reset value
Reset value
Reset value
Reset value
Register
PCDDR
PBDDR
PADDR
PCOR
PBDR
PBOR
PCDR
PADR
PAOR
label
Port A
Port B
Port C
Port
PC3 pin (continued)
Port configuration
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
7
0
0
0
0
0
0
0
0
0
Pin name
PC7:4,
PC2:0
PB7:0
PA5:0
PA7:6
PC3
open-drain output
push-pull output
6
0
0
0
0
0
0
0
0
0
Mode
Doc ID 13562 Rev 3
OR = 0
floating
floating
floating
floating
floating
5
0
0
0
0
0
0
0
0
0
Input
pull-up interrupt
pull-up interrupt
pull-up interrupt
4
0
0
0
0
0
0
0
0
0
interrupt
OR = 1
pull-up
3
0
0
0
0
0
0
0
0
1
open-drain
open-drain
open-drain
open-drain
OR = 0
DDR
2
0
0
0
0
0
0
0
0
0
1
1
true open-drain
Output
1
0
0
0
0
0
0
0
0
0
ST7LITE49M
push-pull
push-pull
push-pull
push-pull
OR = 1
OR
0
1
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
0
0
0
0
0
0
0
0
0
0