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UPD784938 Datasheet(PDF) 100 Page - NEC

Part # UPD784938
Description  16-Bit Single-Chip Microcontrollers
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD784938 Datasheet(HTML) 100 Page - NEC

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100
CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U13987EJ1V0UM00
Table 3-6. List of Special Function Registers (SFRs) (3/5)
AddressNote
Special Function Register (SFR) Name
Symbol
R/W
Manipulable Bit Units
After Reset
1 Bit
8 Bits 16 Bits
0FF7DH
One-shot pulse output control register
OSPC
R/W
√√
00H
0FF80H
Clocked serial interface mode register 3
CSIM3
√√
0FF82H
Clocked serial interface mode register
CSIM
√√
0FF84H
Clocked serial interface mode register 1
CSIM1
√√
0FF85H
Clocked serial interface mode register 2
CSIM2
√√
0FF86H
Serial shift register
SIO
Undefined
0FF88H
Asynchronous serial interface mode register
ASIM
√√
00H
0FF89H
Asynchronous serial interface mode register 2
ASIM2
√√
0FF8AH
Asynchronous serial interface status register
ASIS
R
√√
0FF8BH
Asynchronous serial interface status register 2
ASIS2
√√
0FF8CH
Serial receive buffer: UART0
RXB
Undefined
Serial transmit shift register: UART0
TXS
W
Serial shift register: IOE1
SIO1
R/W
0FF8DH
Serial receive buffer: UART2
RXB2
R
Serial transmit shift register: UART2
TXS2
W
Serial shift register: IOE2
SIO2
R/W
0FF8EH
Serial shift register: IOE3
SIO3
0FF90H
Baud rate generator control register
BRGC
00H
0FF91H
Baud rate generator control register 2
BRGC2
0FFA0H
External interrupt mode register 0
INTM0
√√
0FFA1H
External interrupt mode register 1
INTM1
√√
0FFA4H
Sampling clock selection register
SCS0
0FFA8H
In-service priority register
ISPR
R
√√
0FFAAH
Interrupt mode control register
IMC
R/W
√√
80H
0FFACH
Interrupt mask register 0L
MK0L
MK0
√√
FFFFH
0FFADH
Interrupt mask register 0H
MK0H
√√
0FFAEH
Interrupt mask register 1L
MK1L
MK1
√√
0FFAFH
Interrupt mask register 1H
MK1H
√√
0FFB0H
Bus control register
BCR
√√
00H
0FFB2H
Unit address register
UAR
0000H
0FFB4H
Slave address register
SAR
0FFB6H
Partner address register
PAR
R
0FFB8H
Control data register
CDR
R/W
01H
0FFB9H
Telegraph length register
DLR
0FFBAH
Data register
DR
00H
0FFBBH
Unit status register
USR
R
√√
0FFBCH
Interrupt status register
ISR
R/W
√√
Note
When the LOCATION 0 instruction is executed. When the LOCATION 0FH instruction is executed, “F0000H” should
be added to the value shown.


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