參數(shù)資料
型號: UPD753304W
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 7/56頁
文件大?。?/td> 374K
代理商: UPD753304W
7
μ
PD753304
2. BLOCK DIAGRAM
WATCH
TIMER
INTW
f
LCD
BASIC
INTERVAL
TIMER/
WATCHDOG
TIMER
INTBT
8-BIT
TIMER
COUNTER #0
INTT0
INT1
INTERRUPT
CONTROL
INT1/P103
BUZ/P31
PROGRAM
COUNTER (12)
ROM
PROGRAM
MEMORY
4096
×
8 BITS
ALU
DECODE
AND
CONTROL
CY
SP(8)
BANK
GENERAL REG.
RAM
DATA MEMORY
256
×
4 BITS
CLOCK
OUTPUT
CONTROL
CLOCK
DIVIDER
SYSTEM CLOCK
GENERATOR
MAIN
SUB
STAND BY
CONTROL
PCL/P30
CL1 CL2
IC
V
DD
V
SS
RESET
f
LCD
4
PORT3
P30 to P33
4
PORT8
P80 to P83
4
PORT10
P100 to P103
LCD
CONTROLLER/
DRIVER
20
S0 to S19
4
S20/P83 to
S23/P80
4
COM0 to COM3
f
CC
/2
N
CPU
CLOCK
Φ
4
4
4
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