S3F80JBCONTROL REGISTERS

SPL — Stack Pointer (Low Byte)

D9H Set1 Bank0

Bit Identifier

Reset Value

Read/Write

Addressing Mode

.7 – .0

.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.

Stack Pointer Address (Low Byte)

The SP value is undefined following a reset.

STOPCON — Stop Control Register

FBH Set1 Bank0

Bit Identifier

Reset Value

Read/Write

Addressing Mode

.7—.0

.7

.6

 

.5

.4

.3

.2

.1

.0

0

0

0

0

0

0

0

0

W

W

 

W

W

W

W

W

W

Register addressing mode only

 

 

 

 

 

 

Stop Control Register Enable Bits

 

 

 

 

1

0

1

 

0

0

1

0

1

Enable STOP Mode

 

 

 

 

Other value

 

 

Disable STOP Mode

 

 

NOTES:

1.To get into STOP mode, stop control register must be enabled just before STOP instruction.

2.When STOP mode is released, stop control register (STOPCON) value is cleared automatically.

3.It is prohibited to write another value into STOPCON.

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Image 106
Samsung S3F80JB manual SPL Stack Pointer Low Byte D9H Set1 Bank0, Stopcon Stop Control Register FBH Set1 Bank0