TDA8029 Philips Semiconductors, TDA8029 Datasheet - Page 41

• Manufacturer Part Number: TDA8029
• Description: Low power single card reader
• Manufacturer: Philips Semiconductors

Philips Semiconductors
8.10.3.6
This register is used for starting or stopping card sessions.
Table 66 Power control register, address 7h, read and write
Table 67 Description of register bits
2003 Oct 30
Symbol
Reset value
Low power single card reader
7 to 4
BIT
BIT
3
2
1
0
Power Control Register (PCR)
1V8
RSTIN
3V/5V
START
SYMBOL
7
Not used.
Select 1.8 V. If 1V8 = 1, then V
guaranteed at this voltage when the supply voltage V
Card reset. When the card is activated, pin RST is the copy of the value written in
RSTIN.
Select 3 V or 5 V. If 3V/5V = 1, then V
Activate and deactivate card. If START = 1 is written by the controller, then the card is
activated (see description of activation sequence in Section 8.16). If the controller writes
START = 0, then the card is deactivated (see description of deactivation sequence in
Section 8.17). START is automatically reset in case of emergency deactivation.
For deactivating the card, only bit START should be reset.
6
5
0
41
4
0
CC
= 1.8 V. It should be noted that specifications are not
DESCRIPTION
CC
= 3 V. If 3V/5V = 0, then V
1V8
3
0
DD
RSTIN
is less than 3 V.
0
2
3V/5V
CC
Product specification
1
0
= 5 V.
TDA8029
START
0
0