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

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ST20-GP1

GPS PROCESSOR

STMicroelectronics 

Memory

code

21F3

24FD

22F9

21F0

25F5

25F7

25F8

25F9

Mnemonic

Processor Name

cycles

csub0

2

check subscript from 0

ccnt1

testerr

2

check count from 1

1

test error false and clear

seterr

1

set error

stoperr

clrhalterr

1 to 3

2

stop on error (no error)

clear halt-on-error

sethalterr

1

set halt-on-error

testhalterr

1

test halt-on-error

Table 6.13 Error handling operation codes

Memory

code

25FB

25FC

25FD

25FE

Mnemonic

Processor Name

cycles

move2dinit

1

initialize data for 2D block move

move2dall

2D block copy

move2dnonzero

2D block copy non-zero bytes

move2dzero

2D block copy zero bytes

Table 6.14 2D block move operation codes

Memory

code

27F4

27F5

Mnemonic

crcword

crcbyte

Processor

cycles

34

10

Name

calculate crc on word

calculate crc on byte

27F6

27F7

27F8

bitcnt

3

count bits set in word

bitrevword

1

reverse bits in word

bitrevnbits

2

reverse bottom n bits in word

Table 6.15 CRC and bit operation codes

ST20-GP1

Notes

A, E

A, E

D

Notes

I

I

I

Notes

A

A

A

A

41/116

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