UPD78P324 Datasheet, PDF (12/80 Pages) NEC – 16-/8-Bit Single-Chip Microcomputers

µPD78P324, 78P324(A)
(2) Pins other than ports (1/2)
Pin Name
RTP0-RTP7
INTP0
INTP1
INTP2
INTP3
INTP4
INTP5
INTP6
NMI
TI
RXD
TXD
SI
SO
SB0
SB1
SCK
AD0-AD7
A8-A15
RD
WR
TAS
TMD
TO00
TO01
TO02
TO03
TO10
TO11
I/O
Output
Input
Input
Input
Input
Output
Input
Output
I/O
I/O
I/O
Output
Output
Output
Output
Function
Real-time output port performing pulse outputs synchro-
nously with the trigger symbols from the real-time pulse
unit (RPU).
External interrupt request input of edge detection.
A valid edge can be selected by the external interrupt
mode register.
Non-maskable interrupt request input of edge detection.
A valid edge can be selected by the external interrupt
mode register.
External counter clock input to Timer 1 (TM1).
Serial data input of the asynchronous serial interface
(UART).
Serial data output of the asynchronous serial interface
(UART).
Serial data input in three-wire mode of the clock synchro-
nous serial interface.
Serial data input in three-wire mode of the clock synchro-
nous serial interface.
Serial data output in three-wire mode of the clock
synchronous serial interface.
Serial clock I/O of the clock synchronous serial interface.
Address data bus for accessing external memory.
Address bus for accessing external memory.
Read signal output to external memory.
Write signal output to external memory.
Control signal output for accessing the turbo access
manager (µPD71P301)^Note.
Output from the real-time pulse unit.
Shared Pin Name
P00-P07
P21
P22
P23
P24
P25
P26
P27/TI
P20
P27/INTP6
P31
P30
P33/SB1
P32/SB0
P32/SO
P33/SI
P34
P40-P47
P50-P57
P90
P91
P92
P93
P80
P81
P82
P83
P84
P85
Note The turbo access manager (µPD71P301) is a maintenance product.
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