x9440 Intersil Corporation, x9440 Datasheet - Page 8

• Manufacturer Part Number: x9440
• Description: Mixed Signal With Spi Interface
• Manufacturer: Intersil Corporation

Figure 9. Memory Map
Figure 10. 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 P
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 P
Read Data Register (DR)
Read the contents of the Register pointed to by P
Write Data Register (DR)
Write new value to the Register pointed to by P
Falling
Falling
Falling
Falling
Edge
Edge
Edge
Edge
CS
CS
CS
CS
WCRO
R0
R1
R2
R3
device type
device type
device type
0 1 0 1 0 0
device type
0 1 0 1 0 0
0 1 0 1 0 0
0 1 0 1 0 0
identifier
identifier
identifier
identifier
WCR1
R0
R1
R2
R3
addresses
addresses
addresses
addresses
device
device
device
device
8
A
1
A
1
A
A
1
1
A
0
A
ACR0
0
A
A
0
0
R0
R1
R2
R3
1 0 1 1
1 1 0 0
instruction
instruction
1 0 0 1 0 0
1 0 1 0 0 0
instruction
instruction
opcode
opcode
opcode
opcode
ACR1
1
R0
R1
R2
R3
- P
WCR/ACR/DR
WCR/ACR/DR
R
1
R
1
1
WCR/ACR
WCR/ACR
addresses
addresses
- P
addresses
addresses
0
and R
R
R
0
0
0
and R
P
1
P
1
X9440
P
P
1
1
1
P1 P0: 00 - WCR0, 01 - WCR1
P1 P0: 10 - ACR0, 11 - ACR1
P1 P0: 00 - WCR0, 01 - WCR1
P1 P0: 10 - ACR0, 11 - ACR1
R1 R0: 00 - R0, 10 - R1
P
0
P
0
- R
1
P
P
0
0
- R
0 0
0 0
(sent by master on SDA)
0
(sent by slave on SDA)
.
(sent by master on SDA)
(sent by master on SDA)
0 0
0 0
0
.
01 - R2, 11 - R3
register data
register data
D
D
5
5
register data
register data
D
5
D
5
D
D
4
4
D
D
4
4
D
D
3
3
D
D
3
3
D
D
2
2
D
D
2
2
D
D
1
1
D
1
D
1
D
D
0
0
D
0
D
0
1
Rising
Rising
Edge
Edge
- P
Falling
Rising
CS
CS
Edge
Edge
CS
CS
0
.
1
- P
0
HIGH-VOLTAGE
.
WRITE CYCLE
March 28, 2005
FN8200.0