Pcc1 General Control Register (Pcc1Gcr) - Hitachi HD64465 User Manual

PCC1 Interface Status Register (PCC1ISR) [cont'd]
Bit Description
I/O and Card Interface
1 1: Indicates that the value of pin SPKR on the PC card connected to PCC1 is 1.
0: Indicates that the value of pin SPKR on the PC card connected to PCC1 is 0.
0 1: Indicates that the value of pin STSCHG in the PC card connected to PCC1 is 1.
0: Indicates that the value of pin STSCHG in the PC card connected to PCC1 is 0.
10.4.8

PCC1 General Control Register (PCC1GCR)

Bit 7
Bit Name P1DRV
Initial Value 0
R/W R/W
The PCC1 general control register (PCC1GCR) is an 8-bit READ/WRITE register. It controls
reset, address pins PCC1A25 and PCC1A24, and pin PCC1REG, and sets the PC card type for the
PC card connected to PCC1. PCC1GCR is initialized at power-up reset, and holds its value at
software reset or in software-based STANDBY mode.
Bit Description
7 PCC1 Output Drive (P1DRV)
If this bit is high: enables the output interfaces to PCC1.
If this bit is low: tri-states the output interfaces to PCC1.
6 PCC1 PC Card Reset (P1PCCR)
If this bit is high: Sets a high level to reset pin PCC1RESET for the PC card connected to
PCC1.
If this bit is low: Sets a low level to reset pin PCC1RESET for the PC card connected to
PCC1. (Initial value)
5 PCC1 PC Card Type (P1PCCT)
If this bit is high: Handles the PC card connected to PCC1 as the I/O and Memory card
interface.
If this bit is low: Handles the PC card connected to PCC1 as the IC memory card
interface. (Initial value)
4 PCC1 VCC Select 0 (P1VCC0)
If this bit is high: Sets a voltage control pin VCC1SEL0 to high level.
If this bit is low: Sets a voltage control pin VCC1SEL0 to low level.
6 5 4
P1PCCR P1PCCT P1VCC0 P1MMOD P1PA25 P1PA24 P1REG
0 0 0
R/W R/W R/W
3 2 1
0 0 0
R/W R/W R/W
Rev. 3.0, 03/01, page 121 of 390
Default
-
-
0
0
R/W
Default
0
0
0
0