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參數(shù)資料
| 型號： | UPD75P108BDW |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 4/46頁 |
| 文件大小： | 381K |
| 代理商： | UPD75P108BDW |
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4
μ
PD75P108B
OVERVIEW OF FUNCTIONS
ROM
RAM
Description
43
0.95
μ
s, 1.91
μ
s, 15.3
μ
s (4.19 MHz operation)
3-stage switching capability
8064
×
8
512
×
4
4-bits
×
8
×
4 banks (memory mapping)
3 types of accumulators corresponding to bit length of manipulated data
1-bit accumulator (CY),
4-bit accumulator (A),
8-bit accumulator (XA)
Total 58
CMOS input pins
CMOS input/output pins (LED direct drive capability)
Middle-high voltage N-ch open-drain input/output pins
(LED direct drive capability)
Comparator input pins (4-bit precision)
: 10
: 32
: 12
: 4
8-bit timer/event counter
×
2
8-bit basic interval timer (watchdog timer applicable)
Two transfer modes
Serial transmity receive mode
Serial receive mode
LSB-first/MSB-first switchable
External : 3, internal : 4
External : 2
STOP/HALT mode
Various bit manipulation instructions (set, reset, test, boolean operation)
8-bit data transfer, comparison, operation, increment/decrement instructions
1-byte relative branch instruction
GETI instruction that can implement arbitrary 2-byte/3-byte instructions with 1
byte
Bit manipulation memory (bit sequential buffer : 16 bits) on-chip
64-pin plastic shrink DIP (750 mil)
64-pin ceramic shrink DIP (with window)
64-pin plastic QFP (14
×
20mm, 1.0 mm pitch)
Item
Basic instructions
Minimum instruction
execution time
Internal memory
General register
Accumulator
Input/output port
Timer/counter
8-bit serial interface
Vectored interrupt
Test input
Standby
Instruction set
Others
Package
#
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