Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 532

PCMCIA Interface
16.4.2 PCMCIA Interface Status Changed Register (PSCR)
The contents of PSCR, shown in
interface interrupt. Writing zeros has no effect; writing ones clears the corresponding interrupt state. This
register is not affected by HRESET or SRESET.
0 1 2
Field CAVS1 CAVS2 CAWP
_C _C _C
Reset
R/W
Addr
16 17 18
Field CBVS1 CBVS2 CBWP
_C _C _C
Reset
R/W
Addr
Figure 16-4. PCMCIA Interface Status Changed Register (PSCR)
Table 16-9 describes PSCR fields.
Bits Name
0 CAVS1_C
1 CAVS2_C
2 CAWP_C
3 CACD2_C
4 CACD1_C
5 CABVD2_C
6 CABVD1_C
7 —
8 CARDY_L
9 CARDY_H
10 CARDY_R
11 CARDY_F
12–15 —
16 CBVS1_C
17 CBVS2_C
16-10
Figure 16-4, are logically ANDed with the PER to generate a PCMCIA
3 4 5
CACD2 CACD1 CABVD2 CABVD1
_C _C _C
(IMMR & 0xFFFF0000) + 0x0E8
19 20 21
CBCD2 CBCD1 CBBV2 CBBV1
_C _C _C
(IMMR & 0xFFFF0000) + 0x0EA
Table 16-9. PSCR Field Descriptions
Voltage sense 1 for card A changed
Voltage sense 2 for card A changed
Write protect for card A changed
Card detect 2 for card A changed
Card detect 1 for card A changed
Battery voltage/SPKR_A input for card A changed
Battery voltage/STSCHG_A input for card A changed
Reserved, should be cleared.
RDY/IRQ of card A pin is low. Device and socket interrupt.
RDY/IRQ of card A pin is high. Device and socket interrupt.
RDY/IRQ of card A pin rising edge detected. Device and socket interrupt.
RDY/IRQ of card A pin falling edge detected. Device and socket interrupt.
Reserved, should be cleared.
Voltage sense 1 for card B changed
Voltage sense 2 for card B changed
MPC885 PowerQUICC Family Reference Manual, Rev. 2
6 7 8 9
— CARDY_L CARDY_H CARDY_R CARDY_F
_C
Undefined
R/W
22 23 24 25
— CBRDY_L CBRDY_H CBRDY_R CBRDY_F
_C
Undefined
R/W
Description
10 11 12-15
—
26 27 28-31
—
Freescale Semiconductor