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參數(shù)資料
| 型號： | μPD78P0308 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8 Bit Single Chip Microcontrollers |
| 中文描述： | 8位單片機(jī)微控制器 |
| 文件頁數(shù)： | 5/70頁 |
| 文件大?。?/td> | 556K |
| 代理商： | ΜPD78P0308 |
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5
μ
PD78P0308
Preliminary Data Sheet
Item
Function
Internal memory
PROM: 60 Kbytes
Note
RAM
High-speed RAM: 1024 bytes
Expansion RAM: 1024 bytes
LCD display RAM: 40 x 4 bits
General register
8 bits x 32 registers (8 bits x 8 registers x 4 banks)
Minimum instruction execution time
Minimum instruction execution time variable function is integrated.
0.4
μ
s/0.8
μ
s/1.6
μ
s/3.2
μ
s/6.4
μ
s/12.8
μ
s (@ 5.0-MHz operation)
When main system
clock is selected
When subsystem
122
μ
s (@ 32.768-kHz operation)
clock is selected
Instruction set
16-bit operation
Multiply/divide (8 bits x 8 bits, 16 bits
÷
8 bits)
Bit manipulate (set, reset, test, Boolean operation)
BCD adjust, etc.
I/O ports
Total
: 57
(Segment signal output pin included)
CMOS input
: 2
CMOS input/output
: 55
A/D converter
8-bit resolution x 8 channels
Supply voltage
: V
DD0
= V
DD1
= AV
REF
= 4.0 to 5.5 V
LCD Controller/driver
Segment signal output
: 40 pins maximum
Common signal output
: 4 pins maximum
Bias
: 1/2,1/3 bias convertible
Serial interface
3-wire serial I/O/SBI/2-wire serial I/O mode selectable
: 1 channel
3-wire serial I/O/UART mode selectable
: 1 channel
3-wire serial I/O mode
: 1 channel
Timer
16-bit timer/event counter
: 1 channel
8-bit timer/event counter
: 2 channels
Watch timer
: 1 channel
Watchdog timer
: 1 channel
Timer output
3 pins (14-bit PWM output enable: 1 pin)
Clock output
19.5 kHz, 39.1 kHz, 78.1 kHz, 156 kHz, 313 kHz, 625 kHz, 1.25 MHz, 2.5 MHz,
and 5.0 MHz (@ 5.0-MHz operation with main system clock)
32.768 kHz (@ 32.768-kHz operation with subsystem clock)
Buzzer output
1.2 kHz, 2.4 kHz, 4.9 kHz, and 9.8 kHz
(@ 5.0-MHz operation with main system clock)
FUNCTION DESCRIPTION
Note
Internal PROM capacity can be changed with the memory size switching register (IMS).
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