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ST72752 Datasheet(HTML) 2 Page - STMicroelectronics

Part No. ST72752
Description  8-BIT MCU FOR MONITORS WITH UP TO 32K ROM, 1K RAM, ADC, TIMER, SYNC, PWM/BRM, DDC/DMA & I2C
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST72752 Datasheet(HTML) 2 Page - STMicroelectronics

   
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ST72752
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST72752 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 ST72752 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 32K ROM, up to 1K RAM, I/O, a timer
with 2 input captures and 2 output compares, a 4-
channel Analog to Digital Converter, DDC/DMA,
I
2C multi Master, Watchdog Reset, and one 12-bit
and eight 10-bit PWM/BRM outputs for analog DC
control of external functions.
Figure 1. .ST72752 Block Diagram
SYNC
PROCESSOR
POWER
SU PPLY
OSC /3 or 6
VDD
POR T A
PORT C
DDC
TIM ER
WATCHDOG
PORT D
OCMP
PWM/BRM
PORT B
ADC
A IN 0..2, AIN7
DA0
32K Bytes
RAM
1K Bytes
CONTROL
8-BIT CORE
ALU
INTERNAL
CLOC K
VSS
OSCOUT
OSCIN
DA1,DA8
DDC DM A
PORT C
SCLD
SDAD
I²C
VR01735R
PA3..6(HV)
PA7/BLANKOUT
VDD A
VSS A
PC3/SDAD
PC2/RX/SCLD
PC0/OCMP/HFBACK
RESET
HSYNCI
VSYNCI
PB1..2/AIN1..2
VFBACK/AIN0
PC4/SCLI
PC5/SDAI
PC6 (HC)
POWER ON/OFF
ROM/
Up to
Up to
PB0/
PD0/CSYNCI
PD1/HSYNCO
PD2/VSYNCO
PD3/ITC
PD4/ITB
PD5/ITA
PD6/CLAMPOUT
PB7/AIN7
EPROM/OTP
PA1(HV)


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