ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 24

• 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

Register and memory map
Table 4.
24/247
001Ah to
Address
0012h to
00020h
00029h
000Ch
000Dh
002Ch
002Dh
000Ah
000Bh
000Eh
000Fh
001Fh
002Ah
002Bh
002Eh
002Fh
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
0010h
0011h
0016h
0017h
0018h
0019h
0021h
0022h
0023h
0024h
0025h
0026h
0027h
0028h
0030h
Hardware register map
EEPROM EECSR
Port A
Port B
Port C
Port D
Port E
Port F
WWDG
WWDG
Block
DM
Flash
MCC
AWU
SPI
ITC
RC
SI
(5)
(3)
(3)
(3)
(3)
(3)
(3)
PADR
PADDR
PAOR
PBDR
PBDDR
PBOR
PCDR
PCDDR
PCOR
PDADR
PDDDR
PDOR
PEDR
PEDDR
PEOR
PFDR
PFDDR
PFOR
RCCRH
RCCRL
SPIDR
SPICR
SPICSR
ISPR0
ISPR1
ISPR2
ISPR3
EICR
FCSR
WDGCR
SICSR
MCCSR
MCCBCR
AWUCSR
AWUPR
WDGWR
Register
label
Port A Data Register
Port A Data Direction Register
Port A Option Register
Port B Data Register
Port B Data Direction Register
Port B Option Register
Port C Data Register
Port C Data Direction Register
Port C Option Register
Port D Data Register
Port D Data Direction Register
Port D Option Register
Port E Data Register
Port E Data Direction Register
Port E Option Register
Port F Data Register
Port F Data Direction Register
Port F Option Register
RC oscillator Control Register High
RC oscillator Control Register Low
Data EEPROM Control/Status Register
SPI Data I/O Register
SPI Control Register
SPI Control Status Register
Interrupt Software Priority Register 0
Interrupt Software Priority Register 1
Interrupt Software Priority Register 2
Interrupt Software Priority Register 3
External Interrupt Control Register
Flash Control/Status Register
Watchdog Control Register
System Integrity Control/Status Register
Main Clock Control/Status Register
MCC Beep Control Register
AWU Control/Status Register
AWU Prescaler Register
Window Watchdog Control Register
Doc ID 12321 Rev 5
Reserved area (5 bytes)
Reserved area (1 byte)
Register name
Reserved area (6 bytes)
000x 000xb
ST72344xx ST72345xx
status
00h
00h
00h
00h
00h
Reset
00h
FFh
FFh
FFh
FFh
FFh
FFh
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
03h
00h
00h
00h
00h
7Fh
00h
00h
00h
7Fh
xxh
0xh
(4)
(4)
(4)
(4)
(4)
(4)
(1)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Remarks
(2)