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Rev. 1.00, 05/04, page 482 of 544
Register Name Abbreviation
Number
of Bits
Address Module
Data
Bus
Width
Number
of
Access
States
Wakeup event interrupt mask register
B
WUEMRB 8 H'FE44 INT 8 3
Port G output data register PGODR 8 H'FE46 PORT 8 3
Port G input data register PGPIN 8 H'FE47
(read)
PORT 8 3
Port G data direction register PGDDR 8 H'FE47
(write)
PORT 8 3
Port E output data register PEODR 8 H'FE48 PORT 8 3
Port F output data register PFODR 8 H'FE49 PORT 8 3
Port E input data register PEPIN 8 H'FE4A
(read)
PORT 8 3
Port E data direction register PEDDR 8 H'FE4A
(write)
PORT 8 3
Port F input data register PFPIN 8 H'FE4B
(read)
PORT 8 3
Port F data direction register PFDDR 8 H'FE4B
(write)
PORT 8 3
Port C output data register PCODR 8 H'FE4C PORT 8 3
Port D output data register PDODR 8 H'FE4D PORT 8 3
Port C input data register PCPIN 8 H'FE4E
(read)
PORT 8 3
Port C data direction register PCDDR 8 H'FE4E
(write)
PORT 8 3
Port D input data register PDPIN 8 H'FE4F
(read)
PORT 8 3
Port D data direction register PDDDR 8 H'FE4F
(write)
PORT 8 3
I
2
C bus extended control register_0 ICXR_0 8 H'FED4 IIC_0 8 2
I
2
C bus extended control register_1 ICXR_1 8 H'FED5 IIC_1 8 2
Keyboard control register H_0 KBCRH_0 8 H'FED8 Keyboard
buffer
controller_0
8 2
Keyboard control register L_0 KBCRL_0 8 H'FED9 Keyboard
buffer
controller_0
8 2
Keyboard data buffer register_0 KBBR_0 8 H'FEDA Keyboard
buffer
controller_0
8 2