參數(shù)資料
型號: GMS81C2120
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver
中文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 77/93頁
文件大小: 853K
代理商: GMS81C2120
GMS81C1404/GMS81C1408
June. 2001 Ver 1.2
75
Pin No.
User Mode
EPROM MODE
Pin Name
Pin Name
Description
1
RA4 (AN4)
A_D4
Address Input
Data Input/Output
A12
A4
D4
2
RA5 (AN5)
A_D5
A13
A5
D5
3
RA6 (AN6)
A_D6
A14
A6
D6
4
RA7 (AN7)
A_D7
A15
A7
D7
5
V
DD
V
DD
Connect to V
DD
(6.0V)
6
RB0 (AVref/AN0)
CTL0
Read/Write Control
Address/Data Control
7
RB1 (INT0)
CTL1
8
RB2 (INT1)
CTL2
9~18
RB3~7, RC3~6, RD2
V
DD
Connect to V
DD
(6.0V)
19
X
IN
EPROM Enable
High Active, Latch Address in falling edge
20
X
OUT
NC
No connection
21
RESET
V
PP
Programming Power (0V, 12.75V)
22
V
SS
V
SS
Connect to V
SS
(0V)
23, 24
RC0, 1
V
DD
Connect to V
DD
(6.0V)
25
RA0 (EC0)
A_D0
Address Input
Data Input/Output
A8
A0
D0
26
RA1 (AN1)
A_D1
A9
A1
D1
27
RA2 (AN2)
A_D2
A10
A2
D2
28
RA3 (AN3)
A_D3
A11
A3
D3
Table 22-1 Pin Description in EPROM Mode
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