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Section 27 List of Registers
Register Name
IRQ sense control register L
Address break control register
Break address register A
Break address register B
Break address register C
IRQ enable register 16
IRQ status register 16
IRQ sense control register 16H
IRQ sense control register 16L
IRQ sense port select register 16
IRQ sense port select register
Standby control register
Low-power control register
Module stop control register H
Module stop control register L
Serial mode register_1
Bit rate register_1
Serial control register_1
Transmit data register_1
Serial status register_1
Receive data register_1
Smart card mode register_1
Timer control/status register_0
Timer control/status register_0
Timer counter _0
Timer counter _0
Port A output data register
Port A input data register
Rev. 1.00 May 09, 2008 Page 844 of 954
REJ09B0462-0100
Number
Abbreviation
of bits
ISCRL
8
ABRKCR
8
BARA
8
BARB
8
BARC
8
IER16
8
ISR16
8
ISCR16H
8
ISCR16L
8
ISSR16
8
ISSR
8
SBYCR
8
LPWRCR
8
MSTPCRH
8
MSTPCRL
8
SMR_1
8
BRR_1
8
SCR_1
8
TDR_1
8
SSR_1
8
RDR_1
8
SCMR_1
8
TCSR_0
8
TCSR_0
8
TCNT_0
8
TCNT_0
8
PAODR
8
PAPIN
8
Address
Module
H'FEED
INT
H'FEF4
INT
H'FEF5
INT
H'FEF6
INT
H'FEF7
INT
H'FEF8
INT
H'FEF9
INT
H'FEFA
INT
H'FEFB
INT
H'FEFC
INT
H'FEFD
INT
H'FF84
SYSTEM 8
H'FF85
SYSTEM 8
H'FF86
SYSTEM 8
H'FF87
SYSTEM 8
H'FF88
SCI_1
H'FF89
SCI_1
H'FF8A
SCI_1
H'FF8B
SCI_1
H'FF8C
SCI_1
H'FF8D
SCI_1
H'FF8E
SCI_1
H'FFA8 (Write)
WDT_0
H'FFA8 (Read)
WDT_0
H'FFA8 (Write)
WDT_0
H'FFA9 (Read)
WDT_0
H'FFAA
PORT
(PORTS = 0)
H'FFAB (Read)
PORT
(PORTS = 0)
Data
Access
Width
States
8
2
8
2
8
2
8
2
8
2
8
2
8
2
8
2
8
2
8
2
8
2
2
2
2
2
8
2
8
2
8
2
8
2
8
2
8
2
8
2
16
2
8
2
16
2
8
2
8
2
8
2
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