st20-gp1 STMicroelectronics, st20-gp1 Datasheet - Page 93

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

16 Configuration register addresses
This chapter lists all the ST20-GP1 configuration registers and gives the addresses of the registers.
The complete bit format of each of the registers and its functionality is given in the relevant chapter.
The registers can be examined and set by the devlw (device load word) and devsw (device store
word) instructions. Note, they cannot be accessed using memory instructions.
Register
HandlerWptr0
HandlerWptr1
HandlerWptr2
HandlerWptr3
HandlerWptr4
TriggerMode0
TriggerMode1
TriggerMode2
TriggerMode3
TriggerMode4
Pending
Set_Pending
Clear_Pending
Mask
Set_Mask
Clear_Mask
Exec
Set_Exec
Clear_Exec
LPTimerLS
LPTimerMS
LPTimerStart
LPAlarmLS
LPAlarmMS
LPAlarmStart
LPSysPll
SysRatio
WdEnable
Table 16.1 ST20-GP1 configuration register addresses
Address
#20000510
#20000000
#20000004
#20000008
#2000000C
#20000010
#20000040
#20000044
#20000048
#2000004C
#20000050
#20000080
#20000084
#20000088
#200000C0
#200000C4
#200000C8
#20000100
#20000104
#20000108
#20000400
#20000404
#20000408
#20000410
#20000414
#20000418
#20000420
#20000500
Size
1
32
32
32
32
32
3
3
3
3
3
5
5
5
17
17
17
5
5
5
32
32
1
32
8
1
2
6
Set
Interrupt trigger
Interrupt valid
Clear
Interrupt grant
Interrupt done
By a write to LP-
TimerLS or LP-
TimerMS
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
R/W
W
W
R/W
W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
ST20-GP1
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