MPD784036 datasheet(13/90 Pages) NEC

13 / 90 page

µPD784031

I/O

Dual-function

Function

TO0-TO3

Output

P34-P37

Timer output

Input

P23/INTP2

Input of a count clock for timer/counter 2

RXD

Input

P30/SI1

Serial data input (UART0)

RXD2

P13/SI2

Serial data input (UART2)

TXD

Output

P31/SO1

Serial data output (UART0)

TXD2

P14/SO2

Serial data output (UART2)

ASCK

Input

P25/INTP4/SCK1

Baud rate clock input (UART0)

ASCK2

P12/SCK2

Baud rate clock input (UART2)

SDA

I/O

P33/SO0

Serial data I/O (2-wire serial I/O)

SI0

Input

P27

Serial data input (3-wire serial I/O0)

SI1

P30/RXD

Serial data input (3-wire serial I/O1)

SI2

P13/RXD2

Serial data input (3-wire serial I/O2)

SO0

Output

P33/SDA

Serial data output (3-wire serial I/O0)

SO1

P31/TXD

Serial data output (3-wire serial I/O1)

SO2

P14/TXD2

Serial data output (3-wire serial I/O2)

SCK0

I/O

P32/SCL

Serial clock I/O (3-wire serial I/O0)

SCK1

P25/INTP4/ASCK

Serial clock I/O (3-wire serial I/O1)

SCK2

P12/ASCK2

Serial clock I/O (3-wire serial I/O2)

SCL

P32/SCK0

Serial clock I/O (2-wire serial I/O)

NMI

Input

P20

External interrupt request

INTP0

P21

• Input of a count clock for timer/counter 1

• Capture/trigger signal for CR11 or CR12

INTP1

P22

• Input of a count clock for timer/counter 2

• Capture/trigger signal for CR22

INTP2

P23/CI

• Input of a count clock for timer/counter 2

• Capture/trigger signal for CR21

INTP3

P24

• Input of a count clock for timer/counter 0

• Capture/trigger signal for CR02

INTP4

P25/ASCK/SCK1

INTP5

P26

Input of a conversion start trigger for A/D converter

AD0-AD7

I/O

Time multiplexing address/data bus (for connecting external memory)

A8-A15

Output

High-order address bus (for connecting external memory)

A16-A19

Output

P60-P63

High-order address bus during address expansion (for connecting external memory)

Output

Strobe signal output for reading the contents of external memory

Output

Strobe signal output for writing on external memory

WAIT

Input

P66/HLDRQ

Wait signal insertion

REFRQ

Output

P67/HLDAK

Refresh pulse output to external pseudo static memory

HLDRQ

Input

P66/WAIT

Input of bus hold request

HLDAK

Output

P67/REFRQ

Output of bus hold response

ASTB

Output

Latch timing output of time multiplexing address (A0-A7) (for

connecting external memory)

6.2

Non-Port Pins (1/2)

MPD784036 bảng dữ liệu(PDF) 13 Page - NEC

MPD784036 bảng dữ liệu(HTML) 13 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

bảng dữ liệu tải về

Link URL