UPD784907 Datasheet, PDF(31/98 Page) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

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UPD784907 Datasheet, PDF (31/98 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

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ÂµPD784907, 784908

Table 7-1. Special Function Registers (SFRs) (4/5)

AddressNote

Special Function Register (SFR) Name

Symbol

R/W Bit Units for Manipulation After Reset

1 bit 8 bits 16 bits

0FFBAH

0FFBBH

0FFBCH

0FFBDH

0FFBEH

Data register

Unit status register

Interrupt status register

Slave status register

Success count register

USR

ISR

SSR

SCR

R/W â

R/W

â 00H

â 41H

â 01H

0FFBFH

0FFC0H

0FFC2H

0FFC4H

0FFC5H

0FFC6H

0FFC7H

0FFC8H

0FFCCH

Communication count register

Standby control register

Watchdog timer mode register

Memory expansion mode register

Hold mode register

Clock output mode register

Programmable wait control register 1

Programmable wait control register 2

Refresh mode register

CCR

STBC

WDM

HLDM

CLOM

PWC1

PWC2

RFM

â 20H

R/W â Note 2 â 30H

â Note 2 â 00H

â 20H

â 00H

â AAH

ââ

AAAAH

â 00H

0FFCDH

0FFCFH

0FFD0H to

0FFDFH

Refresh area specification register

RFA

Oscillation stabilization time specification register OSTS

External SFR area

0FFE0H

0FFE1H

0FFE2H

0FFE3H

0FFE4H

0FFE5H

0FFE6H

0FFE7H

0FFE8H

Interrupt control register (INTP0)

Interrupt control register (INTP1)

Interrupt control register (INTP2)

Interrupt control register (INTP3)

Interrupt control register (INTC00)

Interrupt control register (INTC01)

Interrupt control register (INTC10)

Interrupt control register (INTC11)

Interrupt control register (INTC20)

PIC0

PIC1

PIC2

PIC3

CIC00

CIC01

CIC10

CIC11

CIC20

â 43H

0FFE9H

Interrupt control register (INTC21)

CIC21

0FFEAH

Interrupt control register (INTC30)

CIC30

0FFEBH

Interrupt control register (INTP4)

PIC4

0FFECH

Interrupt control register (INTP5)

PIC5

0FFEDH

Interrupt control register (INTAD)

ADIC

0FFEEH

Interrupt control register (INTSER)

SERIC

Notes 1. When the LOCATION 0 instruction is executed. When the LOCATION 0FH instruction is executed,

F0000H is added to each address.

2. A write operation can be performed only with special instructions MOV STBC,#byte and MOV

WDM,#byte. Other instructions cannot perform a write operation.

Data Sheet U11680EJ2V0DS00

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