參數(shù)資料
型號： S3C72M7
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： single-chip CMOS microcontroller
中文描述： 單芯片的CMOS微控制器
文件頁數(shù)： 2/38頁
文件大?。?/td> 196K
代理商： S3C72M7
PRODUCT OVERVIEW
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
1
-
2
FEATURES SUMMARY
Memory
3,584
×
4-bit RAM
(Excluding LCD Display
RAM)
16,384/24,576/32,768
×
8-bit ROM
51 I/O Pins
I/O: 47 pins (32 pins are
configurable as SEG pins)
Input only: 4 pins
LCD Controller/Driver
80 SEG
×
16 COM, 88 SEG
×
8 COM Terminals
Internal resistor circuit for
LCD bias
16 Level LCD contrast
control (software)
Segment expandable circuit
All dot can be switched
on/off
8-bit Basic Timer
4 interval timer functions
Watch-dog timer
8-bit Timer/Counter
Programmable 8-bit timer
External event counter
Arbitrary clock frequency
output
External clock signal divider
16-Bit Timer/Counter
Programmable 16-bit timer
External event counter
Arbitrary clock frequency
output
External clock signal divider
Configurable as two 8-bit
Timers
Serial I/O interface clock
generator
Watch Timer
Time interval generation:
0.5 s, 3.9 ms at 32,768 Hz
4 frequency outputs to BUZ
pin
Clock source generation for
LCD
8-bit Serial I/O Interface
8-bit transmit/receive mode
8-bit receive mode
LSB-first or MSB-first
transmission selectable
Internal or external clock
source
Comparator
3 Channel mode: internal
reference (4-bit resolution)
2 Channel mode: external
reference
Interrupts
Five internal vectored
interrupts
Four external vectored
interrupts
Two quasi-interrupts
Bit Sequential Carrier
Supports 16-bit serial data
transfer in arbitrary format
Memory-Mapped I/O Structure
Data memory bank 15
Power-Down Modes
Idle mode (only CPU clock
stops)
Stop mode (main system
clock stops)
Subsystem clock stop mode
Oscillation Sources
Crystal, Ceramic or RC for
main system clock
Crystal oscillator for
subsystem clock
Main system clock
frequency: 0.4–6 MHz
Subsystem clock frequency:
32.768 kHz
CPU clock divider circuit
(by 4, 8 or 64)
Instruction Execution Times
0.67, 1.33, 10.7 μs at 6 MHz
0.95, 1.91, 15.3 μs at 4.19
MHz
122 μs at 32.768 kHz
Operating Temperature
– 40
°
C to 85
°
C
Operating Voltage Range
1.8 V to 5.5 V
Package Type
128-pin QFP
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