st20-gp1 STMicroelectronics, st20-gp1 Datasheet - Page 42

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

ST20-GP1
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Memory
Memory
Memory
2CFC
2BFB
2CFA
29FC
26FD
26FC
2CF7
2BFA
2FFA
2FFB
2BF8
2CF1
2CF8
2BF9
code
27F3
26F3
27F1
code
2FF8
code
2FF9
Mnemonic
cflerr
fptesterr
unpacksn
roundsn
postnormsn
ldinf
Mnemonic
cir
ciru
cb
cbu
cs
csu
xsword
xbword
Mnemonic
ssub
ls
ss
lbx
lsx
Table 6.17 Range checking and conversion instructions
Table 6.16 Floating point support operation codes
Table 6.18 Indexing/array instructions
Processor
Processor
Processor
cycles
cycles
7 to 8
cycles
2 to 4
2 to 4
2 to 3
2 to 3
2 to 3
2 to 3
2
1
4
7
2
3
1
1
2
1
1
Name
check floating point error
load value true (FPU not present)
unpack single length floating point number
round single length floating point number
post-normalize correction of single length float-
ing point number
load single length infinity
Name
check in range
check in range unsigned
check byte
check byte unsigned
check sixteen
check sixteen unsigned
sign extend sixteen to word
sign extend byte to word
Name
sixteen subscript
load sixteen
store sixteen
load byte and sign extend
load sixteen and sign extend
Notes
Notes
Notes
A, E
A, E
A, E
A, E
A, E
A, E
E
A
A
A
A
A