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ST72324 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
ST72324 5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST72324 Datasheet PDF : 163 Pages
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ST72324
1 INTRODUCTION
The ST72F324 devices are members of the ST7
microcontroller family designed for the 5V operat-
ing range.
– The 32-pin devices are designed for mid-range
applications
– The 42/44-pin devices target the same range of
applications requiring more than 24 I/O ports.
For a description of the differences between
ST72F324 and ST72F324B devices refer to Sec-
tion 14.3 on page 152
All devices are based on a common industry-
standard 8-bit core, featuring an enhanced instruc-
Figure 1. Device Block Diagram
tion set and are available with FLASH program
memory.
Under software control, all devices can be placed
in WAIT, SLOW, 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 micro-
controllers feature true bit manipulation, 8x8 un-
signed multiplication and indirect addressing
modes.
RESET
VPP
VSS
VDD
OSC1
OSC2
PF7:6,4,2:0
(6 bits on J devices)
(5 bits on K devices)
PE1:0
(2 bits)
PD5:0
(6 bits on J devices)
(2 bits on K devices)
VAREF
VSSA
8-BIT CORE
ALU
CONTROL
LVD
OSC
MCC/RTC/BEEP
PORT F
TIMER A
BEEP
PORT E
SCI
PORT D
10-BIT ADC
PROGRAM
MEMORY
(8K - 32K Bytes)
RAM
(384 - 1024 Bytes)
WATCHDOG
PORT A
PORT B
PORT C
TIMER B
SPI
PA7:3
(5 bits on J devices)
(4 bits on K devices)
PB4:0
(5 bits on J devices)
(3 bits on K devices)
PC7:0
(8 bits)
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