UPD70F3102-33 NEC [NEC], UPD70F3102-33 Datasheet - Page 7

• Manufacturer Part Number: UPD70F3102-33
• Description: 32-/16-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC [NEC]

2. PIN FUNCTIONS
2.1 Port Pins
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
P40 to P47
Pin Name
Input
I/O
I/O
I/O
I/O
I/O
I/O
Port 0
8-bit I/O port
Input/output can be specified in 1-bit units.
Port 1
8-bit I/O port
Input/output can be specified in 1-bit units.
Port 2
P20 is an input-only port.
P21 to P27 is a 7-bit I/O port.
Port 3
8-bit I/O port
Input/output can be specified in 1-bit units.
Port 4
8-bit I/O port
Input/output can be specified in 1-bit units.
When a valid edge is input, it operates as an NMI input. The status of
the NMI input is shown by bit 0 of register P2.
Input/output can be specified in 1-bit units.
Preliminary Data Sheet U13844EJ2V0DS00
Function
PD70F3102-33
TO100
TO101
TCLR10
TI10
INTP100/DMARQ0
INTP101/DMARQ1
INTP102/DMARQ2
INTP103/DMARQ3
TO110
TO111
TCLR11
TI11
INTP110/DMAAK0
INTP111/DMAAK1
INTP112/DMAAK2
INTP113/DMAAK3
NMI
TXD0/SO0
RXD0/SI0
SCK0
TXD1/SO1
RXD1/SI1
SCK1
TO130
TO131
TCLR13
TI13
INTP130
INTP131/SO2
INTP132/SI2
INTP133/SCK2
D0 to D7
Alternate Function
–
(1/3)
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