ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 164

• Manufacturer Part Number: ST72344S4
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72344S4

• Up To 16 Kbytes Program Memory: single voltage extended Flash (XFlash) with readout and write protection, in-circuit and inapplication programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• 256 Bytes Data Eeprom With Readout Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock
• 5 Power-saving Modes: Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt
• 16-bit Timer A With: 1 input capture, 1 output compares, external clock input, PWM and pulse generator modes
• 16-bit Timer B With: 2 input captures, 2 output compares, PWM and pulse generator modes

On-chip peripherals
Note:
164/247
I
Reset value: 0000 0000 (00h)
Bit 7 = FM/SM Fast/Standard I
Bit 6:0 = CC[6:0] 7-bit clock divider.
The programmed f
2
C clock control register (CCR)
FM/SM
This bit is set and cleared by software. It is not cleared when the interface is disabled
(PE=0).
0: Standard I
1: Fast I
These bits select the speed of the bus (F
cleared when the interface is disabled (PE=0).
Refer to the Electrical Characteristics section for the table of values.
7
2
C mode
CC6
2
SCL
C mode
assumes no load on SCL and SDA lines.
CC5
2
Doc ID 12321 Rev 5
C mode.
CC4
Read / Write
SCL
) depending on the I
CC3
CC2
ST72344xx ST72345xx
2
C mode. They are not
CC1
CC0
0