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ST72321AR6 Datasheet

  • ST72321AR6

  • 8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIM...

  • 2302.91KB

  • STMicroelectronics   STMicroelectronics

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上傳產品規(guī)格書

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ST72321
1 INTRODUCTION
The ST72321R, ST72321AR and ST72321J de-
vices are members of the ST7 microcontroller fam-
ily designed for mid-range applications
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,
Figure 1. Device Block Diagram
8-BIT CORE
ALU
RESET
V
PP
TLI
V
SS
V
DD
EVD
OSC1
OSC2
CONTROL
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.
PROGRAM
MEMORY
(16K - 60K Bytes)
RAM
(512 - 2048 Bytes)
LVD
AVD
WATCHDOG
OSC
I2C
PORT A
PORT B
PB7:0
(8-bits)
PWM ART
PORT C
TIMER B
SCI
SPI
PORT D
PC7:0
(8-bits)
ADDRESS AND DATA BUS
MCC/RTC/BEEP
PA7:0
(8-bits)
PORT F
PF7:0
(8-bits)
TIMER A
BEEP
PORT E
PE7:0
(8-bits)
PD7:0
(8-bits)
10-BIT ADC
V
AREF
V
SSA
7/185
3

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