ST20-GP1 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST20-GP1

GPS PROCESSOR

STMicroelectronics 

Memory

code

2FF0

2FF2

2FF4

62F4

2FF1

2FF3

2FF5

Mnemonic

devlb

devls

devlw

devmove

devsb

devss

devsw

Processor Name

cycles

3

device load byte

3

device load sixteen

3

device load word

device move

3

device store byte

3

device store sixteen

3

device store word

Table 6.19 Device access instructions

Memory

code

Mnemonic

Processor Name

cycles

60F5

60F4

wait

signal

4 to 10

6 to 10

wait

signal

Table 6.20 Semaphore instructions

Memory

code

60F0

60F1

60F2

60F3

60FC

60FD

62FE

62FF

61FF

2BF0

2CF4

2CF5

2CFD

2CFE

Mnemonic

Processor Name

cycles

swapqueue

3

swap scheduler queue

swaptimer

5

swap timer queue

insertqueue

1 to 2 insert at front of scheduler queue

timeslice

3 to 4 timeslice

ldshadow

6 to 23 load shadow registers

stshadow

5 to 17 store shadow registers

restart

19

restart

causeerror

2

cause error

iret

3 to 9 interrupt return

settimeslice

1

set timeslicing status

intdis

1

interrupt disable

intenb

2

interrupt enable

gintdis

2

global interrupt disable

gintenb

2

global interrupt enable

Table 6.21 Scheduling support instructions

ST20-GP1

Notes

A

A

A

I

A

A

A

Notes

D

Notes

A

A

43/116

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