參數(shù)資料
型號(hào): GMS34004T
廠商: Hynix Semiconductor Inc.
英文描述: 4-BIT SINGLE CHIP MICROCOMPUTERS
中文描述: 4位單片機(jī)微機(jī)
文件頁數(shù): 44/49頁
文件大小: 328K
代理商: GMS34004T
4 - 13
EPROM read mode (1/2)
EPROM read mode (2/2)
RESETB
OSC1
12.5V
For device verify or read.
If you set Lock bit, output data is all 'FF’
D4 ~ D0
K3 ~ K0
A9~A5
A4~A0
D3~D0
D7~D4
ROM Dump Mode ( 0010 )
D5
Port Operation
K Port Latch
High bit
Instruction
Output
Low bit
Instruction
Output
High bit
Address
Latch
Low bit
Address
Latch
Sense
AMP.
Operation
VCC
6V
0V
12Clock
8Clock
Data
Strobe
point
5Clock
Data
Strobe
point
5Clock
Address setting
Data read
Repeat
1
2
3
START
¨
Reset
(Set EPROM read mode)
Address=First address
¨è
Set address
¨é
Read data
Address ++
RESETB=0V
VCC=0V
END
Address > Last address
Chapter 4. EPROM
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