UPD78F0949 datasheet(10/72 Pages) RENESAS

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µPD78F0949

3.2 Non-Port Pins

Table 3-2: Non-Port Pins (1/2)

Pin Name

I/O

Function

After

Reset

Alternate

Function Pin

INTP0

P00

INTP1

P01

INTP2

P02

INTP3

P03/T2P0

INTP4

Input

External interrupts with selectable valid edges (rising

edge, falling edge, both rising and falling edges)

Input

P04/TI01

SI0

P20

SI1

Input

Serial interface serial data input

Input

P23/SO1

SO0

P21

SO1

Output

Serial interface serial data output

Input

P23/SI1

SCK0

P22

SCK1

Input/

Output

Serial interface serial clock input / output

Input

P24

RxD

Input

Asynchronous serial interface data input

Input

P25

TxD

Output

Asynchronous serial interface data output

Input

P26

CRxD

Input

CAN serial data input

Input

CTxD

Output

CAN serial data output

Output

CCLK

Input

CAN serial clock input

CL1

TI00

P05/TO0

TI01

External count clock input to 16-bit timer (TM0)

P04/INTP4

TI20

Capture trigger input

P30

TI21

Capture trigger input

P31

TI22

Capture trigger input

P32

TI50

External count clock input to 8-bit timer (TM50)

P06/TO50

TI51

Input

External count clock input to 8-bit timer (TM51)

Input

P07/TO51

TO0

16-bit timer output

P05/TI00

T2P0

16-bit timer output

P03/INTP3

TO50

8-bit timer output (also used for PWM output)

P06/TI50

TO51

Output

8-bit timer output (also used for PWM output)

Input

P07/TI51

PCL

Output

Clock output (for main system clock trimming)

Input

P33/SGOA

AD0 to AD7

Input/

Output

Low-order address/data bus at external memory

expansion

Input

P40 to P47

A8 to A15

Output

High-order address/data bus at external memory

expansion

Input

P50 to P57

S39 to S32

Strobe signal output for read operation from external

memory

P64

Output

Strobe signal output for read operation from external

memory

Input

P65

ASTB

Strobe output externally latching address information

output to ports 4, 5 to access external memory

Input

P67

S0 to S7

P147 to P140

S8 to S15

P137 to P130

S16 to S23

P127 to P120

S24 to S31

P77 to P70

S32 to S39

Output

Segment signal output of LCD controller / driver

Input

P57 to P50

A15 to A8

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