CONTROL REGISTERSS3C84E5/C84E9/P84E9

IPH — Instruction Pointer (High Byte)

DAH

Set 1

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7

.6

.5

.4

.3

.2

.1

.0

 

 

 

 

 

 

 

 

x

x

x

x

x

x

x

x

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Register addressing mode only

.7–.0

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

Set 1

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7

.6

.5

.4

.3

.2

.1

.0

 

 

 

 

 

 

 

 

x

x

x

x

x

x

x

x

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

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).

 

 

4-10

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Image 79
Samsung S3C84E5 user manual IPH Instruction Pointer High Byte, Dah, IPL Instruction Pointer Low Byte, Dbh