UPD784938 Datasheet, PDF (52/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 2 PIN FUNCTIONS
(1) Port pins (2/2)
Pin Name
P40 to P47
Input/Output
Input/output
P50 to P57
Input/output
P60 to P63
P64
P65
P66
P67
P70 to P77
Input/output
Input/output
P90 to P97
Input/output
P100 to P104
P105
P106
P107
Input/output
Alternate Function
AD0 to AD7
A8 to A15
A16 to A19
RD
WR
WAIT/HLDRQ
REFRQ/HLDAK
ANI0 to ANI7
—
—
SCK3
SI3
SO3
Function
Port 4 (P4):
• 8-bit input/output port
• Input/output can be specified in 1-bit units
• For input mode pins, on-chip pull-up resistor connection can be
specified at once by means of software
• LED drive capability
Port 5 (P5):
• 8-bit input/output port
• Input/output can be specified in 1-bit units
• For input mode pins, on-chip pull-up resistor connection can be
specified at once by means of software
• LED drive capability
Port 6 (P6):
• 8-bit input/output port
• Input/output can be specified in 1-bit units
• For input mode pins, on-chip pull-up resistor connection can be
specified at once by means of software
Port 7 (P7):
• 8-bit input/output port
• Input/output can be specified in 1-bit units
Port 9 (P9):
• 8-bit input/output port
• Input/output can be specified in 1-bit units
• For input mode pins, on-chip pull-up resistor connection can be
specified at once by means of software
Port 10 (P10):
• 8-bit input/output port
• Input/output can be specified in 1-bit units
• For input mode pins, on-chip pull-up resistor connection can be
specified at once by means of software
• P105 and P107 can be set in N-ch open-drain mode
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Preliminary User’s Manual U13987EJ1V0UM00