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UPD780949 Datasheet(PDF) 8 Page - Renesas Technology Corp

Part # UPD780949
Description  MOS INTEGRATED CIRCUIT
PDF  69 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD780949 Datasheet(HTML) 8 Page - Renesas Technology Corp

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µPD780949(A)
3.
Pin Functions
3.1 Normal Operating Mode Pins / Pin Input/Output Types
Table 3-1: Pin Input/Output Types (1/2)
Input /
Output
Pin
Name
Function
Alternate
Function
After
Reset
P00
INTP0
Input
P01
INTP1
Input
P02
INTP2
Input
P03
INTP3/T2P0
Input
P04
INTP4/TI01
Input
P05
TI00/TO0
Input
P06
TI50/TO50
Input
Input /
Output
P07
Port 0
8 bit input / output port
Input / output mode can be specified bit-wise
A pull-up resistor can be connected by software bit-
wise.
TI51/TO51
Input
Input
P10-P17
Port 1
8 bit input port
Input mode can be specified bit-wise.
ANI0-ANI7
Input
P20
SI0
Input
P21
SO0
Input
P22
/SCK0
Input
P23
SI/SO1
Input
P24
/SCK1
Input
P25
RxD
Input
Input /
Output
P26
Port 2
7 bit input/output port
Input / output mode can be specified bit-wise.
TxD
Input
P30
TI20
Input
P31
TI21
Input
P32
TI22
Input
P33
PCL/SGOA
Input
Input /
Output
P34
Port 3
5 bit input / output port
Input / output mode can be specified bit-wise
A pull-up resistor can be connected by software bit-
wise.
SGO/SGOF
Input
Input/
Output
P40-P47
Port 4
8 bit input / output port
Input / output mode can be specified bit-wise
If used as an input port, a pull-up resistor can be
connected by software.
AD0-AD7
Input
Input/
Output
P50-P57
Port 5
8 bit input / output port
Input / output mode can be specified bit-wise
This port can be used in External Memory
Expansion Mode with the 4, 6 or 8 bit address by
setting the Memory Expansion Mode Register
Not for external memory expansion used ports can
be used either for LCD or port function.
A8/S39-A15/S32
Input
P64
/RD
Input
P65
/WR
Input
Input /
Output
P67
Port 6
3 bit input / output port
input / output mode can be specified bit-wise.
ASTB
Input



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