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參數(shù)資料
| 型號： | RST7275-1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8-BIT, 56-PIN MCU FOR MONITORS, WITH UP TO 60K ROM, 2K RAM, ADC, TIMER, IR, SYNC, PWM/BRM, DDC/DMA, I2C & SCI |
| 中文描述： | 8位，56引腳的顯示器微控制器，高達60,000光盤和2K的RAM，ADC的，定時器，紅外光譜，同步，脈寬調(diào)制/的BRM，DDC的/的DMA和I2C |
| 文件頁數(shù)： | 2/3頁 |
| 文件大小： | 64K |
| 代理商： | RST7275-1 |
2/3
ST7275-1
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST7275 is a HCMOS microcontroller unit
(MCU) from the ST7 family with dedicated periph-
erals for Monitor applications.
It is based around an industry standard 8-bit core
and offers an enhanced instruction set. The proc-
essor runs with an external clock at 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 ST7275 can be placed in
WAIT or HALT mode thus reducing power con-
sumption. The enhanced instruction set and ad-
dressing modes afford real programming potential.
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,
Sync Processor for video timing & Vfback analy-
sis, up to 60K ROM, up to 2K RAM, I/O, a timer
with 2 input captures and 2 output compares, an 8-
channel Analog to Digital Converter, DDC/DMA,
I
2
C multi Master, SCI Serial Communications In-
terface, Watchdog Reset, an Infra Red Control
preprocessor, and one 12-bit and eight 10-bit
PWM/BRM outputs for analog DC control of exter-
nal functions.
Figure 1. ST7275-1 Block Diagram
SYNC
PROCESSOR
POWER
OSC /3 or 6
V
DD
PORT A
PORT C
P
A
DDC
TIMER
WATCHDOG
PORT D
C
H
V
H
V
OCMP
C
PWM/BRM
PORT B
ADC
AIN0-AIN7
DA0
DA1,DA8
60K Bytes
ROM/
RAM
2K Bytes
CONTROL
8-BIT CORE
ALU
P
S
X
Y
A
C
INTERNAL
CLOCK
V
SS
OSCOUT
OSCIN
H
V
DDC DMA
H
SCLD
SDAD
I2C
INFRA RED
S
S
SCI
(UART)
VR01735Q
PA0..6
PA7/BLANKOUT
V
D D A
V
S S A
PC3/SDAD
PC2/RX/SCLD
PC1/HSYNCI2
PC0/OCMP/HFBACK
RESET
HSYNCI1
PD7/VSYNCI2/ITD
VSYNCI1
PB1..7/ AIN1..7
VFBACK/AIN0
PB0/
PC4/SCLI
PC5/SDAI
PC6/RDI
PC7/TDO
IRIN
POWER ON/OFF
TDO
R
Up to
Up to
PD0/CSYNCI
PD1/HSYNCO
PD2/VSYNCO
PD3/ITC
PD4/ITB
PD5/ITA
PD6/CLAMPOUT
OTP/EPROM
V
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