Rev. 3.0, 03/01, page 112 of 390
10.4.2
PCC0 General Control Register (PCC0GCR)
Bit
7
6
5
4
3
2
1
0
Bit Name
P0DRV
P0PCCR P0PCCT P0VCC0 P0MMOD P0PA25
P0PA24
P0REG
Initial Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
The PCC0 general control register (PCC0GCR) is an 8-bit READ/WRITE register. It controls
reset, address pins PCC0A25 and PCC0A24, and pin PCC0REG, and sets the PC card type for the
PC card connected to PCC0. PCC0GCR is initialized at power-up reset, and holds its value at
software reset or in software-based STANDBY mode.
Bit
Description
Default
7
PCC0 Output Drive (P0DRV)
If this bit is high: enables the output interfaces to PCC0.
If this bit is low: tri-states the output interfaces to PCC0.
0
6
PCC0 PC Card Reset (P0PCCR)
If this bit is high: Sets a high level to reset pin PCC0RESET for the PC card connected to
PCC0.
If this bit is low: Sets a low level to reset pin PCC0RESET for the PC card connected to
PCC0. (Initial value)
0
5
PCC0 PC Card Type (P0PCCT)
If this bit is high: Handles the PC card connected to PCC0 as the I/O and Memory card
interface.
If this bit is low: Handles the PC card connected to PCC0 as the IC memory card
interface. (Initial value)
0
4
PCC0 VCC Select 0 (P0VCC0)
If this bit is high: Sets a voltage control pin VCC0SEL0 to high level.
If this bit is low: Sets a voltage control pin VCC0SEL0 to low level.
0
Содержание HD64465
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