6
FN8201.0
April 18, 2005
Figure 6. Instruction Set
Read Wiper Counter Register (WCR) or Analog Control Register (ACR)
Read the contents of the Wiper Counter Register or Analog Control Register pointed to by P1 - P0.
P1 P0: 00 - WCR0, 01 - WCR1
P1 P0: 10 - ACR0, 11 - ACR1
Write Wiper Counter Register (WCR) or Analog Control Register (ACR)
Write new value to the Wiper Counter Register or Analog Control Register pointed to by P1 - P0.
P1 P0: 00 - WCR0, 01 - WCR1
P1 P0: 10 - ACR0, 11 - ACR1
Read Data Register (DR)
Read the contents of the Register pointed to by P1 - P0 and R1 - R0.
R1 R0: 00 - R0, 10 - R1
01 - R2, 11 - R3
Definitions:
SACK – Slave acknowledge, MACK – Master acknowledge, I/O – Increment/Decrement (I/O), R – Register,
P – Potentiometer
S
T
A
R
T
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
WCR/ACR
addresses
S
A
C
K
register data
(sent by slave on SDA)
M
A
C
K
S
T
O
P
01
A
3
A
2
A
1
A
0
100
P
1
P
0
00
D
5
D
4
D
3
D
2
D
1
D
0
S
T
A
R
T
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
WCR/ACR
addresses
S
A
C
K
register data
(sent by master on SDA)
S
A
C
K
S
T
O
P
01
A
3
A
2
A
1
A
0
101
000
P
1
P
0
00
D
5
D
4
D
3
D
2
D
1
D
0
S
T
A
R
T
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
WCR/ACR/DR
addresses
S
A
C
K
register data
(sent by master on SDA)
M
A
C
K
S
T
O
P
0101
A
3
A
2
A
1
A
0
1 011
R
1
R
0
P
1
P
0
00
D
5
D
4
D
3
D
2
D
1
D
0
X9448