參數(shù)資料
型號: UPD75312B
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): 2/77頁
文件大小: 587K
代理商: UPD75312B
2
μ
PD75312B, 75316B
Function
41
0.95
μ
s, 1.91
μ
s, 15.3
μ
s (main system clock: @ 4.19 MHz)
122
μ
s (subsystem clock: @ 32.768 kHz)
16256
×
8 bits (
μ
PD75316B), 12160
×
8 bits (
μ
PD75312B)
1024
×
4 bits
4-bit access: 8 (B, C, D, E, H, L, X, A)
8-bit access: 4 (BC, DE, HL, XA)
Bit accumulator (CY)
4-bit accumulator (A)
8-bit accumulator (XA)
Various bit manipulation instructions
Efficient 4-bit data manipulation instructions
8-bit data transfer instructions
GETI instruction that can implement 2-byte/3-byte instructions with 1 byte
Number of segments selection: 24/28/32 segments (4/8 can be switched at bit
port output.)
Display mode selection: Static, 1/2 duty, 1/3 duty (1/2 bias), 1/3 duty (1/3 bias),
1/4 duty
LCD drive split resistor can be incorporated by mask option
V
DD
= 2.0 to 6.0 V
8-bit timer/event counter
Clock source: 4 stages
Event count possible
8-bit basic interval timer
Standard clock generation: 1.95 ms, 7.82 ms, 31.3 ms, 250 ms
(@ 4.19 MHz)
Watchdog timer application possible
FUNCTION OUTLINE (1/2)
ROM
RAM
Item
Number of basic instructions
Instruction cycle
On-chip memory
General register
Accumulators
Instruction set
I/O lines
LCD controller/driver
Supply voltage range
Timer
8
CMOS input
with software-specifiable pull-up resistors : 23
16
CMOS input/output
40
8
CMOS output
Used with segment pins
8
10-V withstand voltage, with mask option pull-
up resistors: 8
N-ch open-drain
input/output
3 channels
相關(guān)PDF資料
PDF描述
UPD75312BGC 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD75312BGK 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD75316B 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD75316BGC 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD75316BGK 4-BIT SINGLE-CHIP MICROCOMPUTER
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