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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)： | 2/56頁 |
| 文件大?。?/td> | 374K |
| 代理商： | UPD753304W |
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2
μ
PD753304
FUNCTIONAL OUTLINE
Parameter
Function
Instruction execution time
1.1, 2.2, 4.4, 17.8
μ
s (@ 3.6 MHz with main system clock)
85.1
μ
s (@ 47 kHz with subsystem clock)
On-chip memory
ROM
4096
×
8 bits
RAM
256
×
4 bits
General-purpose register
4-bit operation: 8
×
4 banks
8-bit operation: 4
×
4 banks
CMOS
input/output
12
On-chip pull-up resistors which can be specified by software: 4
Also used for segment pins: 4
LCD controller/driver
Segment selection:
20/24 segments (can be changed to CMOS input/output
port in 4 time-unit; max. 4)
Display mode selection: Static 1/2 duty (1/2 bias)
1/3 duty (1/2 bias)
1/3 duty (1/3 bias)
1/4 duty (1/3 bias)
LCD display modes can be selected by mask option
Timer
3 channels
8-bit timer counter: 1 channel (with subclock source input function)
Basic interval timer/watchdog timer: 1 channel
Watch timer: 1 channel
Clock output (PCL)
Φ
, 3.6 MHz, 450 kHz, 225 kHz (@ 3.6 MHz with main system clock)
Buzzer output (BUZ)
2.94, 5.88, 47 kHz
1.76, 3.52, 28.13 kHz (@ 3.6 MHz with main system clock)
(@ 47 kHz with subsystem clock)
Vectored interrupts
External: 1, Internal: 2
Test input
Internal: 1
System clock oscillation circuit
Main system clock oscillation RC oscillation circuit (with external resistor and
10 pF (typ.) on-chip capacitor)
Subsystem clock oscillation RC oscillation circuit (with on-chip resistor and
capacitor)
Standby function
STOP mode/HALT mode
Supply voltage
V
DD
= 2.5 to 5.5 V
Operating ambient temperature
T
A
= –10 to +60
°
C
Package
Volume production product: Pellet/wafer
ES product (for evaluation): 42-pin ceramic shrink DIP (600 mil)
Input/
output port
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