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Read Register Definitions
Base +
7
6
5
4
3
2
1
0
Main Register Set
0
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
1
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
2
-
-
-
L4
L3
L2
L1
L0
3
-
-
-
H4
H3
H2
H1
H0
4
DACBUSY CALBUSY
ACACT
-
DIN3
DIN2
DIN1
DIN0
5
-
-
-
-
-
-
-
FD9
6
FD8
FD7
FD6
FD5
FD4
FD3
FD2
FD1
7
EF
TF
FF
OVF
FIFOEN
SCANEN
PAGE1
PAGE0
8
STS
S/D1
S/D0
ADCH4
ADCH3
ADCH2
ADCH1
ADCH0
9
ADINT
DINT
TINT
-
DMAEN
P2
CLKEN
CLKSEL
10
FREQ12
FREQ0
OUT2EN
OUT0EN
RSVD
GT0EN
SRC0
GT12EN
11
WAIT
RSVD
SCINT1
SCINT0
RANGE
ADBU
G1
G0
Page 0 - 82C54 Counter/Timer Access
12
CTR0D7
CTR0D6
CTR0D5
CTR0D4
CTR0D3
CTR0D2
CTR0D1
CTR0D0
13
CTR1D7
CTR1D6
CTR1D5
CTR1D4
CTR1D3
CTR1D2
CTR1D1
CTR1D0
14
CTR2D7
CTR2D6
CTR2D5
CTR2D4
CTR2D3
CTR2D2
CTR2D1
CTR2D0
15
SC1
SC0
RW1
RW0
M2
M1
M0
BCD
Page 1 - 82C55-Type Digital I/O
12
A7
A6
A5
A4
A3
A2
A1
A0
13
B7
B6
B5
B4
B3
B2
B1
B0
14
C7
C6
C5
C4
C3
C2
C1
C0
15
1
MODEC
MODEA
DIRA
DIRCH
MODEB
DIRB
DIRCL
Page 2 - FIFO Control (Enhanced Feature Page)
12
-
-
-
-
-
-
-
FD9
13
14
15
Page 3 - Autocalibration Registers
12
D7
D6
D5
D4
D3
D2
D1
D0
13
-
A6
A5
A4
A3
A2
A1
A0
14
0
TDBUSY
EEBUSY CMUXEN TDACEN
0
0
0
15
REV
Page 4 - dsPIC Interface (Enhanced Feature Page)
12
PICD7
PICD6
PICD5
PICD4
PICD3
PICD2
PICD1
PICD0
13
I2CBUSY
-
-
PICA4
PICA3
PICA2
PICA1
PICA0
14
-
-
-
ACHOLD
PICPRST
ACERR
ACACT
PICBSY
15
-
-
-
-
-
-
-
PGDR
Page 5 - D/A Waveform Generator (Enhanced Feature Page)
12
-
-
-
-
-
-
-
-
13
-
-
-
-
-
-
-
-
14
DEPTH3
DEPTH2
DEPTH1
DEPTH0
WGCH1
WGCH0
WGSRC1
WGSRC0
15
-
-
-
-
-
-
-
-
Diamond Systems Corporation
Poseidon User Manual
Page 55