ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 166

• 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
Table 67.
166/247
Address
005Ch
005Dh
005Ah
005Bh
005Eh
(Hex.)
0058h
0059h
I2CCR
Reset value
I2CSR1
Reset value
I2CSR2
Reset value
I2CCCR
Reset value
I2COAR1
Reset value
I2COAR2
Reset value
I2CDR
Reset value
Register
I
Reset value: 0100 0000 (40h)
Bit 7:6 = FR[1:0] Frequency bits.
Table 66.
Bits 5:3 = Reserved
Bits 2:1 = ADD[9:8] Interface address.
Bit 0 = Reserved.
I
2
2
label
C register map and reset values
C own address register (OAR2)
FR1
These bits are set by software only when the interface is disabled (PE=0). To configure
the interface to I
microcontroller frequency f
These are the most significant bits of the I
only). They are not cleared when the interface is disabled (PE=0).
7
FM/SM
ADD7
MSB
FR[1:0] configuration
EVF
FR1
7
0
0
0
0
0
0
0
FR0
6 to 8 MHz
< 6 MHz
2
f
ADD10
C specified delays select the value corresponding to the
CPU
ADD6
CC6
FR0
0
6
0
0
0
0
1
0
0
Doc ID 12321 Rev 5
CPU
ADD5
TRA
CC5
PE
5
0
0
0
0
0
0
0
.
0
Read / Write
ENGC
BUSY
ADD4
CC4
AF
4
0
0
0
0
0
0
0
2
C bus address of the interface (10-bit mode
0
STOPF
START
ADD3
CC3
BTF
3
0
0
0
0
0
0
0
FR1
0
0
ADD9
ARLO
ADSL
ADD2
ADD9
ACK
CC2
2
0
0
0
0
0
0
0
ST72344xx ST72345xx
ADD8
BERR
STOP
ADD1
ADD8
M/SL
CC1
1
0
0
0
0
0
0
0
FR0
1
0
GCAL
ADD0
CC0
LSB
ITE
SB
0
0
0
0
0
0
0
0
0
0