
CHAPTER 13 CARDU1, CARDU2 (PC CARD UNITS)
User’s Manual U14579EJ2V0UM
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Tables 13-2 and 13-3 list the ExCA registers.
CARDU1 and CARDU2 each have the following ExCA registers.
Table 13-2. ExCA Registers (1/2)
Offset Address
PCI
ExCA
R/W
Register Symbol
Function
0x800
0x00
R
ID_REV
ID/revision register
0x801
0x01
R
IF_STATUS
Interface status register
0x802
0x02
R/W
PWR_CNT
Power control register
0x803
0x03
R/W
INT_GEN_CNT
Interrupt/general-purpose control register
0x804
0x04
R/W
CARD_SC
Card status change register
0x805
0x05
R/W
CARD_SCI
Card status change interrupt configuration register
0x806
0x06
R/W
ADR_WIN_EN
Address window enable register
0x807
0x07
R/W
IO_WIN_CNT
I/O window control register
0x808
0x08
R/W
IO_WIN0_SAL
I/O window 0 start address lower byte register
0x809
0x09
R/W
IO_WIN0_SAH
I/O window 0 start address higher byte register
0x80A
0x0A
R/W
IO_WIN0_EAL
I/O window 0 end address lower byte register
0x80B
0x0B
R/W
IO_WIN0_EAH
I/O window 0 end address higher byte register
0x80C
0x0C
R/W
IO_WIN1_SAL
I/O window 1 start address lower byte register
0x80D
0x0D
R/W
IO_WIN1_SAH
I/O window 1 start address higher byte register
0x80E
0x0E
R/W
IO_WIN1_EAL
I/O window 1 end address lower byte register
0x80F
0x0F
R/W
IO_WIN1_EAH
I/O window 1 end address higher byte register
0x810
0x10
R/W
MEM_WIN0_SAL
Memory window 0 start address lower byte register
0x811
0x11
R/W
MEM_WIN0_SAH
Memory window 0 start address higher byte register
0x812
0x12
R/W
MEM_WIN0_EAL
Memory window 0 end address lower byte register
0x813
0x13
R/W
MEM_WIN0_EAH
Memory window 0 end address higher byte register
0x814
0x14
R/W
MEM_WIN0_OAL
Memory window 0 offset address lower byte register
0x815
0x15
R/W
MEM_WIN0_OAH
Memory window 0 offset address higher byte register
0x816
0x16
R/W
GEN_CNT
General control register
0x817
0x17
Reserved
0x818
0x18
R/W
MEM_WIN1_SAL
Memory window 1 start address lower byte register
0x819
0x19
R/W
MEM_WIN1_SAH
Memory window 1 start address higher byte register
0x81A
0x1A
R/W
MEM_WIN1_EAL
Memory window 1 end address lower byte register