Intel
®
PXA27x Processor Developer’s Kit - User’s Guide
61
3.2.2.8
Miscellaneous Read Register 1 (MSCRD1)
MSCRD1, defined in
, allows software to read the status of the peripherals and functions
listed in the table.
Note:
Ignore reads from reserved bits.
Table 25. MSCRD Bit Definitions (Sheet 1 of 2)
Physical Address: 0x0800_0090
MSCRD
Intel
®
PXA27x Processor Developer’s Kit
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Name
reserved
nFPG_PRES
PO
LL_FLAG
nPENIRQ
nM
EMST
K_CD
nMMC_C
D
nU
SI
M_
C
D
USB_
CBL
T
S
_BUSY
BT
DSR
BT
R
I
BTDC
D
nMMC_WP
Reset
?
?
?
?
†
†
†
†
†
†
†
†
†
†
†
†
Bits
Name
Access
Description
15:12
reserved
R
reserved
11
nFPG_PRES
R
Processor Card Present:
0 = FPG Processor Card
1 = NBMMNS2B0PC Processor Card
10
POLL_FLAG
R
Graphics Accelerator Poll Flag signal
0 = Graphics Accelerator Poll Flag is low
1 = Graphics Accelerator Poll Flag is high
9
nPENIRQ
R
ADI7873* touch-screen digitizer nPENIRQ signal:
0 = nPENIRQ is low.
1 = nPENIRQ is high.
8
nMEMSTK_
CD
R
Memory Stick* detection signal:
0 = Card is fully inserted.
1 = Card is not fully inserted or is not present.
7
nMMC_CD
R
SD/MMC card detection signal:
0 = Card is fully inserted.
1 = Card is not fully inserted or is not present.
6
nUSIM_CD
R
USIM card detection signal:
0 = Card is fully inserted.
1 = Card is not fully inserted or is not present.
5
USB_CBL
R
USB client cable status:
0 = Cable is fully inserted.
1 = Cable is not fully inserted or is not present.
4
TS_BUSY
R
ADI7873 touch-screen digitizer busy:
0 = false
1 = true
3
BTDSR
R
Bluetooth* UART Data Set Ready:
0 = false
1 = true
2
BTRI
R
Bluetooth* UART Ring Indicator:
0 = false
1 = true