APPOTECH CW6632B - Page 24

18 3.7 CPU and Memory related SFR Description
CW6632B Bluetooth 3.0 Audio Player SOC Version 1.0.0
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10 = bank2
11 = bank3
OV: Overflow flag
EZ: Extern instruction zero flag
P: Odd parity check of ACC
0 = There are even number of „1‟ bits in ACC
1 = There are odd number of „1‟ bits in ACC
Register 3-9 SPMODE – Special mode
Position
7
6
5
4
3
2
1
0
Name
SINT0
SINT1
PWRUP
RAM2CEM
DACRAMCEM
DECRAMCEM
IRAMCEM
IROMCEM
Default
0
0
1
1
1
1
1
1
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
SINT0: Software 0 interrupts pending
0 = No software 0 interrupt
1 = Software 0 interrupt
SINT1: Software 1 interrupts pending
0 = No software 1 interrupt
1 = Software 1 interrupt
PWRUP: System power up flag
0 = CPU writes 0 to PWRUP.
1 = System power up or CPU writes 1 to PWRUP.
RAM2CEM: RAM2 CE mode control
0 = Always stay at 0
1 = Normal
DACRAMCEM: DAC RAM CE mode control
0 = Always stay at 0
1 = Normal
DECRAMCEM: DECRAM CE mode control
0 = Always stay at 0
1 = Normal
IRAMCEM: IRAM CE mode control
0 = Always stay at 0
1 = Normal
IROMCEM: IROM CE mode control
0 = Always stay at 0
1 = Normal
Register 3-10 SPMODE1 – Special mode 1
Position
7
6
5
4
3
2
1
0