UPD78044F datasheet(37/472 Pages) NEC

37 / 472 page

Chapter 2

Pin Function (µPD780828A Subseries)

User’s Manual U16504EE1V1UD00

2.2 Non-Port Pins

Table 2-2:

Non-Port Pins (1/2)

Pin Name

Input/Output

Function

After

Reset

Alternate

Function Pin

INTP0

Input

External interrupts with specifiable valid edges (ris-

ing edge, falling edge, both rising and falling edges)

Input

P00

INTP1

P01

INTP2

P02

SI30

Input

Serial interface serial data input

Input

P37/S24

SI31

Input

Serial interface serial data input

Input

P95/S18

SO30

Output

Serial interface serial data output

Input

P36/S25

SO31

Output

Serial interface serial data output

Input

P94/SIO31/S19

SCK30

Input, Output Serial interface serial clock input / output

Input

P35/S26

SCK31

Input, Output Serial interface serial clock input / output

Input

P93/S20

SIO31

Input, Output Serial interface serial data input / output

Input

P94/SO31/S19

RXD0

Input

Asynchronous serial interface data input

Input

P62

TXD0

Output

Asynchronous serial interface data output

Input

P63

CRXD

Input

CAN serial data input

Input

CTXD

Output

CAN serial data output

Output

TI20

Input

Capture trigger input

P64

TI21

Input

Capture trigger input

P65

TI22

Input

Capture trigger input

P90/S23

TI50

Input

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

P34/TO50/S27

TI51

Input

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

P91/TO51/S22

TP0

Output

16-bit timer output

Input

P92/S21

TO50

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

P34/TI50/S27

TO51

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

P91/TI51/S22

PCL

Output

Clock output (for main system clock trimming)

Input

P61/SGOA

S0-S7

Output

Segment signal output of LCD controller / driver

Input

P40-P47

S8-S15

P80-P87

S16-S17

P97-P96

S18

P95/SI31

S19

P94/SO31/SIO31

S20

P93/SCK31

S21

P92/TPO

S22

P91/TO51/TI51

S23

P90/TI22

S24

P37/SI30

S25

P36/SO30

S26

P35/SCK30

S27

P34/TO50/TI50

COM0-COM3 Output

Common signal output of LCD controller /driver

Output

UPD78044F Datasheet(PDF) 37 Page - NEC

UPD78044F Datasheet(HTML) 37 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL