ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 15

• 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

ST72344xx ST72345xx
1
Introduction
The ST7234x devices are members of the ST7 microcontroller family.
available part numbers and details on the devices. All devices are based on a common
industry-standard 8-bit core, featuring an enhanced instruction set.
They feature single-voltage Flash memory with byte-by-byte in-circuit programming (ICP)
and in-application programming (IAP) capabilities.
Under software control, all devices can be placed in Wait, Slow, Auto-wakeup from Halt,
Active-halt or Halt mode, reducing power consumption when the application is in idle or
stand-by state.
The enhanced instruction set and addressing modes of the ST7 offer both power and
flexibility to software developers, enabling the design of highly efficient and compact
application code. In addition to standard 8-bit data management, all ST7 microcontrollers
feature true bit manipulation, 8x8 unsigned multiplication and indirect addressing modes.
The devices feature an on-chip debug module (DM) to support in-circuit debugging (ICD).
For a description of the DM registers, refer to the ST7 ICC Protocol Reference Manual.
Figure 1.
RESET
OSC1
OSC2
V
(6-bits)
(6-bits)
V
AREF
V
V
PF
PD
SSA
General block diagram
DD
SS
CLOCK CONTROL
MCC/RTC/BEEP
INTERNAL RC
8-BIT CORE
10-BIT ADC
CONTROL
I2C3SNS
TIMER A
PORT D
PORT F
BEEP
Doc ID 12321 Rev 5
ALU
LVD
AVD
(16 K - 32 KBytes)
(512- 1024 Bytes)
WATCHDOG
PROGRAM
PWM ART
MEMORY
I2CMMS
TIMER B
PORT A
PORT B
PORT C
PORT E
RAM
SPI
SCI
Table 2
(5-bits)
(5-bits)
(8-bits)
(2-bits)
PA
PB
PC
PE
gives the
Introduction
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