Samsung S3F80JB User Manual

Page 82

S3F80JB

CONTROL REGISTERS

4-15

IPH

— Instruction Pointer (High Byte)

DAH Set1 Bank0

Bit

Identifier

.7 .6 .5 .4 .3 .2 .1

Reset Value

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

.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

.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).