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参数资料
型号： ST72E734J6D0
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP42
封装： CERAMIC, SDIP-42
文件页数： 101/144页
文件大小： 1280K
代理商： ST72E734J6D0
ST72774/ST727754/ST72734
6/144
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The
ST72774,
ST72754
and
ST72734
are
HCMOS microcontroller units (MCU) from the
ST727x4 family with dedicated peripherals for
Monitor applications.
They are based around an industry standard 8-bit
core and offer an enhanced instruction set. The
processor runs with an external clock at 12 or 24
MHz with a 5V supply. Due to the fully static design
of this device, operation down to DC is possible.
Under software control the ST727x4 can be placed
in WAIT mode thus reducing power consumption.
The HALT mode is no longer available.
The enhanced instruction set and addressing
modes afford real programming potential. Illegal
opcodes are patched and lead to a reset.
In addition to standard 8-bit data management the
ST7 features true bit manipulation, 8x8 unsigned
multiplication and indirect addressing modes.
The device includes an on-chip oscillator, CPU,
System protection against illegal address jumps,
Sync Processor for video timing & Vfback analysis,
up to 60K Program Memory, up to 1K RAM, USB/
DMA, a Timing Measurement Unit, I/O, a timer with
2 input captures and 2 output compares, a 4-
channel Analog to Digital Converter, DDC, I2C
Single Master, Watchdog Reset, and eight 10-bit
PWM/BRM outputs for analog DC control of
external functions.
Figure 1. ST727x4 Block Diagram
A
DDRE
S
A
ND
DA
T
A
B
U
S
VSS
OSCIN
OSCOUT
RESET
ADC
DDC
PORT C
PORT D
DAC (PWM)
OSC
VDD
RAM
PORT B
PORT A
PA1
PB6-PB7/AIN2-AIN3/PWM1-PWM2
PB3/SDAI
PB2/SCLI
PB1/SDAD
PB0/SCLD
PC1/AV
PD6/CLAMPOUT
POWER SUPPLY
PB4-PB5/AIN0-AIN1
8-BIT CORE
ALU
CONTROL
WATCHDOG
Mode
Selection
:3
ROM/OTP/EPROM
Up to 60K Bytes
Up to 1K Bytes
HSYNCI
VSYNCI
I2C
USBVCC
SYNC
PROCESSOR
PC0/HSYNCDIV
PC2-PC7/PWM3-PWM8
PA2/VSYNCI2
TIMER
PA0/OCMP1
TMU
PD1/HSYNCO
PD3/ITA/VFBACK
PD4/ITB
PD5/HFBACK
PD0/VSYNCO
PD2/CSYNCI
USB
USBDP
USBDM
PA3-PA6
PA7/BLANKOUT
3
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