isl22416 Intersil Corporation, isl22416 Datasheet - Page 12

• Manufacturer Part Number: isl22416
• Description: Low Noise, Low Power, Spi? Bus, 128 Taps
• Manufacturer: Intersil Corporation

Examples:
B. Reading from the WR:
This sequence will read the value from the WR (volatile):
A. Writing to the IVR:
This sequence will write a new value (77h) to the IVR(non-volatile):
Write to ACR first to access the WR
Send the ID byte, Instruction Byte, then the Data byte
Read the data from WR (Addr 00h)
Send the ID byte, Instruction Byte, then Read the Data byte
Set the ACR (Addr 02h) for NV write (40h)
Send the ID byte, Instruction Byte, then the Data byte
Set the IVR (Addr 00h) to 77h
Send the ID byte, Instruction Byte, then the Data byte
0
0
0
0
1
1
1
1
0
0
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1
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1
0
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0
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1
1
1
1
1
0
1
1
0
1
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0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
ISL22416
(Sent to DI)
(Out on DO)
(Sent to DI)
(Sent to DI)
1
x
0
0
1
x
1
1
0
x
0
1
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1
June 23, 2006
FN6227.0