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ML674001 Series/ML675001 Series User’s Manual
Appendixes
A-3
Address
Name
Abbreviation
R/W
Size
Initial Value
Ref.
Pages
0xB7A01008
Port A mode register
GPPMA
R/W
16
0x0000
13-6
0xB7A0100C
Port A interrupt enable register
GPIEA
R/W
16
0x0000
13-7
0xB7A01010
Port A interrupt polarity register
GPIPA
R/W
16
0x0000
13-8
0xB7A01014
Port A interrupt status register
GPISA
R/W
16
0x0000
13-9
0xB7A01020
Port B output register
GPPOB
R/W
16
Indeterminate
13-5
0xB7A01024
Port B input register
GPPIB
R
16
Reflects pin
states
13-5
0xB7A01028
Port B mode register
GPPMB
R/W
16
0x0000
13-6
0xB7A0102C
Port B interrupt enable register
GPIEB
R/W
16
0x0000
13-7
0xB7A01030
Port B interrupt polarity register
GPIPB
R/W
16
0x0000
13-9
0xB7A01034
Port B interrupt status register
GPISB
R/W
16
0x0000
13-10
0xB7A01040
Port C output register
GPPOC
R/W
16
Indeterminate
13-5
0xB7A01044
Port C input register
GPPIC
R
16
Reflects pin
states
13-6
0xB7A01048
Port C mode register
GPPMC
R/W
16
0x0000
13-7
0xB7A0104C
Port C interrupt enable register
GPIEC
R/W
16
0x0000
13-8
0xB7A01050
Port C interrupt polarity register
GPIPC
R/W
16
0x0000
13-9
0xB7A01054
Port C interrupt status register
GPISC
R/W
16
0x0000
13-10
0xB7A01060
Port D output register
GPPOD
R/W
16
Indeterminate
13-5
0xB7A01064
Port D input register
GPPID
R
16
Reflects pin
states
13-6
0xB7A01068
Port D mode register
GPPMD
R/W
16
0x0000
13-7
0xB7A0106C
Port D interrupt enable register
GPIED
R/W
16
0x0000
13-8
0xB7A01070
Port D interrupt polarity register
GPIPD
R/W
16
0x0000
13-9
0xB7A01074
Port D interrupt status register
GPISD
R/W
16
0x0000
13-10
0xB7A01080
Port E output register
GPPOE
R/W
16
Indeterminate
13-5
0xB7A01084
Port E input register
GPPIE
R
16
Reflects pin
states
13-6
0xB7A01088
Port E mode register
GPPME
R/W
16
0x0000
13-7
0xB7A0108C
Port E interrupt enable register
GPIEE
R/W
16
0x0000
13-8
0xB7A01090
Port E interrupt polarity register
GPIPE
R/W
16
0x0000
13-9
0xB7A01094
Port E interrupt status register
GPISE
R/W
16
0x0000
13-10
0xB7B00000
Divisor Latch (LSB)
UARTDLL
R/W
8
Indeterminate
18-21
0xB7B00000
Receiver Buffer Register
UARTRBR
R
8
Indeterminate
18-4
0xB7B00000
Transmitter Holding Register
UARTTHR
W
8
Indeterminate
18-5
0xB7B00004
Divisor Latch (MSB)
UARTDLM
R/W
8
Indeterminate
18-22
0xB7B00004
Interrupt Enable Register
UARTIER
R/W
8
0x00
18-6
0xB7B00008
FIFO Control Register
UARTFCR
W
8
0x00
18-9
0xB7B00008
Interrupt Identification Register
UARTIIR
R
8
0x01
18-7
0xB7B0000C
Line Control Register
UARTLCR
R/W
8
0x00
18-11
0xB7B00010
Modem Control Register
UARTMCR
R/W
8
0x00
18-13
0xB7B00014
Line Status Register
UARTLSR
R/W
8
0x60
18-15
0xB7B00018
Modem Status Register
UARTMSR
R/W
8
Contents depend
on pin states
18-18
0xB7B0001C
Scratch Register
UARTSCR
R/W
8
Indeterminate
18-20