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S3F80JB CONTROL REGISTERS
4-15
IPH — Instruction Pointer (High Byte) DAH Set1 Bank0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
x x x x x x x x
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7 – .1 Instruction Pointer Address (High Byte)
The high-byte instruction pointer value is the upper eight bits of the 16-bit instruction
pointer address (IP15–IP8). The lower byte of the IP address is located in the IPL
register (DBH).
IPL — Instruction Pointer (Low Byte) DBH Set1 Bank0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
x x x x x x x x
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7 – .0 Instruction Pointer Address (Low Byte)
The low-byte instruction pointer value is the lower eight bits of the 16-bit instruction
pointer address (IP7–IP0). The upper byte of the IP address is located in the IPH
register (DAH).