FEDL64168-01
Semiconductor
ML64168
Table 2 Pin Descriptions ( Secondary Functions )
Pin No.
Pad
No.
Function
Symbol
Type
Description
GA,
GP
TB
P2.0/
INT0
P2.1/
INT0
P2.2/
INT0
P2.3/
INT0
P3.0/
INT0
P3.1/
INT0
P3.2/
INT0
P3.3/
INT0
P4.0/
INT0
P4.1/
INT0
P4.2/
INT0
P4.3/
INT0
P0.0/
INT1
P0.1/
INT1
P0.2/
INT1
P0.3/
INT1
Secondary functions of P2.0 to P2.3, P3.0 to P3.3, and
P4.0 to P4.3:
Level-triggered external 0 interrupt input pins.
The change of input signal level causes an interrupt to
occur.
18 16
19 17
20 18
21 19
22 20
23 21
24 22
25 23
26 24
27 25
28 26
29 27
77 75
78 76
79 77
80 78
16
17
18
19
20
21
22
23
24
25
26
27
75
76
77
78
I
I
I
External
Interrupt
Secondary functions of P0.0 to P0.3:
Level-triggered external 1 interrupt input pins.
The change of input signal level causes an interrupt to
occur.
I
I
Secondary functions of P0.0:
This pin is assigned the capture circuit trigger input pin
of CAPR0 function .
Secondary functions of P0.1:
This pin is assigned the capture circuit trigger input pin
of CAPR1 function .
P0.0/
CAPIN0
77 75
78 76
75
76
Capture
trigger
P0.1/
CAPIN1
P3.3/
SIN
P4.0/
SOUT
P4.1/
SPR
Secondary functions of P3.3:
This pin is assigned the data input of a serial port.
Secondary functions of P4.0:
This pin is assigned the data output of a serial port.
Secondary functions of P4.1:
This pin is assigned the ready output of a serial port.
Secondary functions of P4.2:
25 23
26 24
27 25
23
24
25
I
O
O
Serial
port
P4.2/
SCLK
28 26
26
I/O
This pin is assigned the clock input-output of a serial
port.
12/49
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