st20-gp1 STMicroelectronics, st20-gp1 Datasheet - Page 41

• Manufacturer Part Number: st20-gp1
• Description: Gps Processor
• Manufacturer: STMicroelectronics

Memory
Memory
Memory
24FD
25FB
25FC
25FD
25FE
code
21F3
22F9
21F0
25F5
25F7
25F8
25F9
code
code
27F4
27F5
27F6
27F7
27F8
Mnemonic
csub0
ccnt1
testerr
seterr
stoperr
clrhalterr
sethalterr
testhalterr
Mnemonic
crcword
crcbyte
bitcnt
bitrevword
bitrevnbits
Mnemonic
move2dinit
move2dall
move2dnonzero
move2dzero
Table 6.14 2D block move operation codes
Table 6.13 Error handling operation codes
Table 6.15 CRC and bit operation codes
Processor
Processor
cycles
cycles
1 to 3
Processor
34
10
2
2
1
1
2
1
1
cycles
3
1
2
1
Name
check subscript from 0
check count from 1
test error false and clear
set error
stop on error (no error)
clear halt-on-error
set halt-on-error
test halt-on-error
Name
calculate crc on word
calculate crc on byte
count bits set in word
reverse bits in word
reverse bottom n bits in word
Name
initialize data for 2D block move
2D block copy
2D block copy non-zero bytes
2D block copy zero bytes
Notes
Notes
Notes
A, E
A, E
D
A
A
A
A
ST20-GP1
I
I
I
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