HMS87C1304A Datasheet, PDF (7/70 Pages) Hynix Semiconductor – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

HYUNDAI MicroElectronics
HMS87C1304A/HMS87C1302A
PIN NAME
V_DD
V_SS
RESET
X_IN
X_OUT
RA0 (EC0)
RA1 (AN1)
RA2 (AN2)
RA3 (AN3)
RA4 (AN4)
RA5 (AN5)
RA6 (AN6)
RA7 (AN7)
RB0 (AVref/AN0)
RB1 (BUZ)
RB2 (INT0)
RB3 (INT1)
RB4 (PWM0/COMP0)
RC0
RC1
RD0
RD1
RD2
RD3
Pin No.
In/Out
Function
5
-
Supply voltage
18
-
Circuit ground
17
I
Reset signal input
15
I
16
O
21
I/O (Input)
External Event Counter input 0
22
I/O (Input)
Analog Input Port 1
23
I/O (Input)
Analog Input Port 2
24
I/O (Input)
Analog Input Port 3
8-bit general I/O ports
1
I/O (Input)
Analog Input Port 4
2
I/O (Input)
Analog Input Port 5
3
4
8
9
10
11
12
19
20
6
7
13
14
I/O (Input)
I/O (Input)
I/O (Input)
ry ^{I/O (Input)}
I/O (Input)
5-bit general I/O ports
a _{I/O (Output)}
in ^{I/O (Output/Output)}
I/O
2-bit general I/O ports
lim ^I/O
I/O
I/O
e 4-bit general I/O ports
I/O
Pr^I/O
Analog Input Port 6
Analog Input Port 7
Analog Input Port 0 / Analog Reference
Buzzer Driving Output
External Interrupt Input 0
External Interrupt Input 1
PWM0 Output or Timer1 Compare Output
Table 5-3 Pin Description
Jan. 2001
Preliminary
7