st20-gp6 STMicroelectronics, st20-gp6 Datasheet - Page 64
st20-gp6
Manufacturer Part Number
st20-gp6
Description
Gps Processor
Manufacturer
STMicroelectronics
Datasheet
1.ST20-GP6.pdf
(123 pages)
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ST20-GP6
EMIConfigData3Bank0-3
The EMIConfigData2Bank0-3 registers contain configuration data for each of the EMI banks. The
format of each of the EMIConfigData3 registers is shown in Table 10.7
EMIConfigLockBank0-3 registers
The EMIConfigLockBank0-3 registers (one for each bank) allow the configuration data registers
to be locked. This prevents an accidental overwrite from destroying the emi configuration.
A system reset clears these registers.
EMIConfigStatus register
The EMIConfigStatus register is provided to indicate which registers have been written to and the
status of the lock bits. Table 10.9 shows the format of the EMIConfigStatus register.
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EMIConfigData3Bank0-3
Bit
0
15:1
EMIConfigLockBank0-3
EMIConfigStatus
Bit
Bit
0
0
1
2
3
4
5
6
7
Bit field
ConfigLock
Bit field
WrittenBank0
WrittenBank1
WrittenBank2
WrittenBank3
WriteLockBank0 EMIConfigData0-3Bank0 registers are write protected.
WriteLockBank1 EMIConfigData0-3Bank1 registers are write protected.
WriteLockBank2 EMIConfigData0-3Bank2 registers are write protected.
WriteLockBank3 EMIConfigData0-3Bank3 registers are write protected.
Bit field
LatchPoint
Table 10.7 EMIConfigData3 register format - 1 per bank
Table 10.8 EMIConfigLock register format - 1 per bank
Function
Write protection bit. When set, EMIConfigData0-3 for the bank is read only.
Function
Bank 0 configuration data registers have been written to.
Bank 1configuration data registers have been written to.
Bank 2 configuration data registers have been written to.
Bank 3 configuration data registers have been written to.
Table 10.9 EMIConfigStatus register format
EMI base address + #0C, #1C, #2C, #3C
EMI base address + #40, #44, #48, #4C
EMI base address + #50
Function
Position of latch point in cycle.
0 = 1 cycle before end of access cycle
1 = end of access cycle
Reserved, write 0.
.
Read/Write
Write only
Read only
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