Pcc Serial Power Switch Control Register (Pccpsr); Pcc1 Interface Status Register (Pcc1Isr) - Hitachi HD64465 User Manual

10.4.6

PCC Serial Power Switch Control Register (PCCPSR)

Bit 7
%B9&&8 %B9&&6 B_VPP_
Bit Name
Initial Value 0
R/W R/W
The PCC0PSR Serial Power Switch Control Register (P0PSR), an 8-bit READ/WRITE register,
serves as the bit0-bit7 of the serial power switch TPS2206.
P0PSR is initialized at power-up reset, and holds its value at software reset or in software-based
STANDBY mode.
Bit Description
7 D7(B_VCC5) bit of the TPS2206
6 D6(B_VCC3) bit of the TPS2206
5 D5(B_VPP_VCC) bit of the TPS2206
4 D4(B_VPP_PGM) bit of the TPS2206
3 D3(A_VCC3) bit of the TPS2206
2 D2(A_VCC5) bit of the TPS2206
1 D1(A_VPP_VCC) bit of the TPS2206
0 D0(A_VPP_PGM) bit of the TPS2206
10.4.7

PCC1 Interface Status Register (PCC1ISR)

Bit 7
Bit Name P1READ
Y/IREQ1
Initial Value -
R/W R
Note -: The initial value is determined by the status of the PC card.
The PCC1 interface status register (PCC1ISR) is an 8-bit READ-only register, which reads the
status of the PC card connected to PCC1. PCC1ISR is subject to the PC card status.
6 5 4
B_VPP_
VCC PGM
0 0 0
R/W R/W R/W
6 5 4
P1MWP P1VS2 P1VS1
- - -
R R R
3 2 1
$B9&&6 $B9&&8 A_VPP_
VCC
0 0 0
R/W R/W R/W
3 2 1
P1CD2 P1CD1 P1BVD2/
SPKR1
- - -
R R R
Rev. 3.0, 03/01, page 119 of 390
0
A_VPP_
PGM
0
R/W
Default
0
0
0
0
0
0
0
0
0
P1BVD1/
STSCHG
1
-
R