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ST72325S9B3 データシート(PDF) 7 Page - STMicroelectronics

部品番号 ST72325S9B3
部品情報  8-bit MCU with 16 to 60K Flash/ROM, ADC, CSS, 5 timers, SPI, SCI, I2C interface
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72325S9B3 データシート(HTML) 7 Page - STMicroelectronics

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1 DESCRIPTION
The ST72F325 Flash and ST72325 ROM devices
are members of the ST7 microcontroller family de-
signed for mid-range applications.
They are derivatives of the ST72321 and ST72324
devices, with enhanced characteristics and robust
Clock Security System.
All devices are based on a common industry-
standard 8-bit core, featuring an enhanced instruc-
tion set and are available with Flash or ROM pro-
gram memory. The ST7 family architecture offers
both power and flexibility to software developers,
enabling the design of highly efficient and compact
application code.
The on-chip peripherals include an A/D converter,
a PWM Autoreload timer, 2 general purpose tim-
ers, I2C bus, SPI interface and an SCI interface.
For power economy, microcontroller can switch
dynamically into WAIT, SLOW, ACTIVE-HALT or
HALT mode when the application is in idle or
stand-by state.
Typical applications are consumer, home, office
and industrial products.
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.
Main Differences with ST72321:
– LQFP48 and LQFP32 packages
– Clock Security System
– Internal RC, Readout protection, LVD and PLL
without limitations
– Negative current injection not allowed on I/O port
PB0 (instead of PC6).
– External interrupts have Exit from Active Halt
mode capability.
Figure 1. Device Block Diagram
8-BIT CORE
ALU
OSC1
VPP
CONTROL
PROGRAM
(16K - 60K Bytes1))
VDD
RESET
PORT F
PF7:0
TIMER A
BEEP
RAM
(512 - 2048 Bytes1))
PORT C
10-BIT ADC
VAREF
VSSA
PB7:0
PORT E
PE7:0
(2 bits on C/J/K devices)
SCI
TIMER B
PA7:0
(5 bits on C/J devices)
PORT D
PD7:0
SPI
PC7:0
(8 bits)
VSS
WATCHDOG
OSC
LVD
OSC2
MEMORY
MCC/RTC/BEEP
(4 bits on K devices)
(5 bits on C/J devices)
(3 bits on K devices)
(6 bits on C/J devices)
(2 bits on K devices)
(6 bits on C/J devices)
(5 bits on K devices)
PORT A
PORT B
PWM ART
I2C
EVD
AVD
(8 bits on AR devices)
(8 bits on AR devices)
(8 bits on AR devices)
(8 bits on AR devices)
(8 bits on AR devices)
TLI
1) ROM devices have up to 32 Kbytes of program memory and up to 1 Kbyte of RAM.
DEBUG MODULE


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