HMS87C13042A Datasheet, PDF (75/88 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

HMS87C130XA/120XA/110XA
A_D4
A_D5
A_D6
A_D7
VDD
CTL0
CTL1
CTL2
1
20
A_D3
2
19
A_D2
3
18
A_D1
4
17
A_D0
5
16
6
15
7
14
V_SS
8
13
VPP
9
12 ^NC
10
11
EPROM Enable
Figure 20-3 Pin Assignment ( HMS1204/2A )
Pin No.
User Mode
Pin Name
Pin Name
EPROM MODE
Description
1
RA4 (AN4)
A_D4
A12
A4
D4
2
RA5 (AN5)
3
RA6 (AN6)
A_D5
A_D6
Address Input
Data Input/Output
A13
A5
D5
A14
A6
D6
4
RA7 (AN7)
A_D7
A15
A7
D7
5
V_DD
6
RB0/AN0/AVref
7
RB1/BUZ
8
RB2/INT0
V_DD
CTL0
CTL1
CTL2
Connect to V_DD (6.0V)
Read/Write Control
Address/Data Control
9,10
11
12
13
14
15,16
17
RB3~4
X_IN
X_OUT
RESET
V_SS
RC0, 1
RA0 (EC0)
V_DD
Connect to V_DD (6.0V)
EPROM Enable High Active, Latch Address in falling edge
NC
No connection
V_PP
Programming Power (0V, 12.75V)
V_SS
Connect to V_SS (0V)
V_DD
A_D0
Connect to V_DD (6.0V)
A8
A0
D0
18
RA1 (AN1)
19
RA2 (AN2)
A_D1
A_D2
Address Input
Data Input/Output
A9
A1
D1
A10
A2
D2
20
RA3 (AN3)
A_D3
A11
A3
D3
Table 20-2 Pin Description in EPROM Mode ( HMS1204/2A )
72
Apr. 2001 ver 1.0