UPD78044F データシートの表示（PDF） - NEC => Renesas Technology
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UPD78044F Datasheet PDF : 72 Pages
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mPD78042F, 78043F, 78044F, 78045F
3.2 PINS OTHER THAN PORT PINS (1/2)
Pin name
INTP0
INTP1
INTP2
INTP3
SI0
SI1
SO0
SO1
SB0
SB1
SCK0
SCK1
STB
I/O
Input
Input
Output
I/O
I/O
Output
BUSY
TI0
TI1
TI2
TO0
TO1
TO2
CI0
PCL
Input
Input
Output
Input
Output
BUZ
FIP0, FIP1
FIP2-FIP9
FIP10-FIP15
Output
Output
Output
FIP16, FIP17
FIP18-FIP25
FIP26-FIP33
VLOAD
Output
—
Function
On reset
Shared by:
Valid edge (rising, falling, or both rising and falling edges) can
Input
P00/TI0
be specified.
P01
External interrupt input
P02
Falling edge-active external interrupt input
Input
P03/CI0
Serial data input lines of serial interface
Input
P25/SB0
P20
Serial data output lines of serial interface
Input
P26/SB1
P21
Serial data I/O lines of serial interface
Input
P25/SI0
P26/SO0
Serial clock I/O lines of serial interface
Input
P27
P22
Automatic transmission/reception strobe output line of serial
interface
Input
P23
Automatic transmission/reception busy input line of serial interface Input
P24
External count clock input to 16-bit timer (TM0)
Input
P00/INTP0
External count clock input to 8-bit timer (TM1)
P33
External count clock input to 8-bit timer (TM2)
P34
16-bit timer output (multiplexed with 14-bit PWM output)
Input
P30
8-bit timer output
P31
P32
Clock input to 6-bit up/down counter
Input
P03/INTP3
Clock output (for trimming main system clock and subsystem
clock)
Input
P35
Buzzer output
Input
P36
High-voltage, high-current digit/segment output of FIP
Output P80, P81
controller/driver
P90-P97
High-voltage, high-current digit/segment output of FIP
controller/driver
Output P100-P105
High-voltage segment output of FIP controller/driver
Output P106, P107
Input
P110-P117
P120-P127
Connects pull-down resistor to FIP controller/driver
—
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