
36
μPD780948, μPD78F0948, μPD780949, μPD78F0949
2.2 Non-Port Pins
Table 2-2: Non-Port Pins (1/2)
Pin Name
I/O
Function
After
Reset
Alternate
Function Pin
P00
P01
P02
P03/T2P0
P04/TI01
P20
P23/SO1
P21
P23/SI1
P22
P24
P25
P26
-
-
CL1
P05/TO0
P04/INTP4
P30
P31
P32
P06/TO50
P07/TO51
P05/TI00
P03/INTP3
P06/TI50
P07/TI51
P33/SGOA
INTP0
INTP1
INTP2
INTP3
INTP4
SI0
SI1
SO0
SO1
SCK0
SCK1
RxD
TxD
CRxD
CTxD
CCLK
TI00
Ti01
TI20
TI21
TI22
TI50
TI51
TO0
T2P0
TO50
TO51
PCL
Input
External interrupts with specifiable valid edges (rising
edge, falling edge, both rising and falling edges)
Input
Input
Serial interface serial data input
Input
Output
Serial interface serial data output
Input
Input/
Output
Serial interface serial clock input / output
Input
Input
Output
Input
Output
Input
Asynchronous serial interface data input
Asynchronous serial interface data output
CAN
serial data input
CAN
serial data output
CAN
serial clock input
Input
Input
Input
Output
-
External count clock input to 16-bit timer (TM0)
Capture trigger input
Capture trigger input
Capture trigger input
External count clock input to 8-bit timer (TM50)
External count clock input to 8-bit timer (TM51)
16-bit timer output
16-bit timer output
8-bit timer output (also used for PWM output)
8-bit timer output (also used for PWM output)
Clock output (for main system clock trimming)
Low-order address/data bus at external memory
expansion
High-order address/data bus at external memory
expansion
Strobe signal output for read operation from external
memory
Strobe signal output for read operation from external
memory
Strobe output externally latching address information
output to ports 4, 5 to access external memory
Input
Input
Output
Input
Output
Input/
Output
Input
AD0 to AD7
Input
P40 to P47
A8 to A15
Output
Input
P50 to P57
S39 to S32
RD
P64
WR
Output
Input
P65
ASTB
-
Input
P67
S0 to S7
S8 to S15
S16 to S23
S24 to S31
P147 to P140
P137 to P130
P127 to P120
P77 to P70
P57 to P50
A15 to A8
S32 to S39
Output
Segment signal output of LCD controller / driver
Input