ST20-GP1 查看數據表（PDF） - STMicroelectronics

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ST20-GP1

GPS PROCESSOR

STMicroelectronics 

ST20-GP1

Memory Mnemonic

code

Processor Name

cycles

21F6 ladd

2

long add

23F8

23F7

lsub

lsum

2

long subtract

1

long sum

24FF ldiff

23F1 lmul

1

long diff

4

long multiply

21FA ldiv

23F6 lshl

3 to 35

2

long divide

long shift left

23F5

21F9

lshr

norm

2

long shift right

3

normalize

26F4

26F5

slmul

sulmul

4

signed long multiply

4

signed times unsigned long multiply

Table 6.6 Long arithmetic operation codes

Memory

code

F0

Mnemonic

rev

Processor

cycles

1

Name

reverse

23FA

25F6

21FD

24FC

24F2

25FA

27F9

68FD

xword

cword

xdble

csngl

mint

dup

pop

reboot

3

extend to word

2 to 3

check word

1

extend to double

2

check single

1

minimum integer

1

duplicate top of stack

1

pop processor stack

2

reboot

Table 6.7 General operation codes

Notes

A, O

A, O

A

A, O

A

A

A

A, O

A, O

Notes

A

A, E

A, E

38/116

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