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ST7232A Datasheet(PDF) 7 Page - STMicroelectronics

Part # ST7232A
Description  8-BIT MCU WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
Download  154 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7232A Datasheet(HTML) 7 Page - STMicroelectronics

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1 INTRODUCTION
The ST72F32A and ST7232A devices are mem-
bers of the ST7 microcontroller family designed for
the 5V operating range.
The 32-pin devices are designed for mid-range ap-
plications
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.
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.
Figure 1. Device Block Diagram
8-BIT CORE
ALU
OSC1
VPP
CONTROL
PROGRAM
(8K Bytes)
VDD
RESET
PORT F
TIMER A
BEEP
PORT A
RAM
(384 Bytes)
PORT C
10-BIT ADC
VAREF
VSSA
PORT B
PORT E
SCI
TIMER B
PORT D
SPI
VSS
WATCHDOG
OSC
OSC2
MEMORY
MCC/RTC/BEEP
3


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