UPD784224 Datasheet, PDF (28/92 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784224, 784225, 784224Y, 784225Y
Table 6-1. Special Function Register (SFR) List (3/4)
Address^{Note 1} Special Function Register (SFR) Name
Symbol R/W
0FF88H
0FF89H
0FF8AH
0FF8BH
0FF8DH
0FF90H
0FF91H
0FF92H
0FF94H
0FF95H
0FF96H
0FF98H
0FF99H
0FF9AH
0FF9BH
0FF9CH
0FFA0H
0FFA2H
0FFA8H
0FFA9H
0FFAAH
0FFACH
0FFADH
0FFAEH
0FFAFH
0FFB0H
0FFB2H
0FFB4H
0FFB6H
0FFB8H
0FFC0H
0FFC2H
0FFC4H
0FFC7H
0FFC8H
00FFCEH
0FFCFH
0FFD0H to
0FFDFH
ROM correction control register
ROM correction address pointer H
ROM correction address pointer L
CORC
CORAH
CORAL
R/W
External access status enable register
EXAE
Serial operation mode register 0
CSIM0
Serial operation mode register 1
CSIM1
Serial operation mode register 2
CSIM2
Serial I/O shift register 0
SIO0
Serial I/O shift register 1
SIO1
Serial I/O shift register 2
SIO2
Real-time output buffer register L
RTBL
Real-time output buffer register H
RTBH
Real-time output port mode register
RTPM
Real-time output port control register
RTPC
Watch timer mode control register
WTM
External interrupt rising edge enable register EGP0
External interrupt falling edge enable register EGN0
In-service priority register
ISPR
R
Interrupt select control register
SNMI
R/W
Interrupt mode control register
IMC
Interrupt mask flag register 0L
MK0L MK0
Interrupt mask flag register 0H
MK0H
Interrupt mask flag register 1L
MK1L MK1
Interrupt mask flag register 1H
I²C bus control register^{Note 2}
MK1H
IICCL0
Prescaler mode register for serial clock
SPRM0
Slave address register
I²C bus status register^{Note 2}
SVA0
IICS0
R
Serial shift register
IIC0
R/W
Standby control register
STBC
Watchdog timer mode register
WDM
Memory expansion mode register
MM
Programmable wait control register 1
PWC1
Programmable wait control register 2
PWC2
W
Clock status register
PCS
R
Oscillation stabilization time specification register OSTS
R/W
External SFR area
—
Bit Units for Manipulation
1 Bit 8 Bits 16 Bits
—
—
—
—
—
At Reset
00H
0000H
— 00H
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
— 80H
FFFFH
— 00H
—
—
—
—
—
— 30H
—
— 00H
— 20H
— AAH
—
—
AAAAH
— 32H
— 00H
—
—
Notes 1. When the LOCATION 0H instruction is executed. Add “F0000H” to this value when the LOCATION 0FH
instruction is executed.
2. µPD784225Y Subseries only
28
Data Sheet U12376EJ1V0DS00