ST90158 - GENERAL DESCRIPTION
Pin
No.
Port
General
Alternate Functions
Purpose I/O
Name
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
69 71
70 72
71 73
72 74
73 75 R/W
74 76
AIN0
I/O
I/O
I/O
I/O
O
Read/Write
I/O
I
I
I
I
I
I
I
A/D Analog input 0
SCI0 Receive Clock input
T/WD input
RX0CKIN
P7.0
30 32
WDIN
EXTRG
AIN1
A/D External Trigger
A/D Analog input 1
P7.1
P7.2
P7.3
31 33
1)
T0INB
AIN2
MF Timer 0 input B
A/D Analog input 2
32 34 CLK0OUT O SCI0 Byte Sync Clock output
TX0CKIN
AIN3
I
I
SCI0 Transmit Clock input
A/D Analog input 3
33 35
All ports useable
for general pur-
1)
T0INA
I
MF Timer 0 input A
P7.4
P7.5
P7.6
P7.7
P8.0
P8.1
pose I/O (input, 34 36 AIN4
I
A/D Analog input 4
A/D Analog input 5
A/D Analog input 6
A/D Analog input 7
MF Timer 3 input A
MF Timer 1 input B
External interrupt 1
MF Timer 1 output A
External interrupt 3
MF Timer 1 output B
MF Timer 1 input A
External Wait input
Watchdog Timer output
MF Timer 3 input B
External interrupt 7
MF Timer 3 output A
Non-Maskable Interrupt
MF Timer 3 output B
output or bidirec-
35 37 AIN5
I
tional)
36 38 AIN6
I
37 39 AIN7
47 49 T3INA
46 48 T1INB
I
I
I
INT1
I
P8.2
P8.3
45 47
T1OUTA
O
I
INT3
44 46
T1OUTB
T1INA
O
I
P8.4
43 45 WAIT
WDOUT
I
O
I
P8.5
P8.6
42 44 T3INB
INT7
I
41 43
T3OUTA
O
I
NMI
P8.7
40 42
T3OUTB
O
16/199
9
ETC [ ETC ]
