SLRC400 Datasheet, PDF (19/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
5.2 Register Description
5.2.1 PAGE 0: COMMAND AND STATUS
5.2.1.1 Page Register
Selects the register page.
Name: Page
Address: 0x00, 0x08, 0x10, 0x18, Reset value: 10000000, 0x80
0x20, 0x28, 0x30, 0x38
7
6
5
4
3
2
1
0
UsePage
0
0
0
0
Select
PageSelect
Access
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Rights
Description of the bits
Bit
Symbol
Function
7 UsePageSelect If set to 1, the value of PageSelect is used as register address A5, A4, and A3.
The LSBbits of the register address are defined by the address pins or the internal
address latch, respectively.
If set to 0, the whole content of the internal address latch defines the register
address. The address pins are used as described in Table 4-2.
6-3
0000
Reserved for future use.
2-0
PageSelect The value of PageSelect is used only if UsePageSelect is set to 1. In this case, it
specifies the register page (which is A5, A4, and A3 of the register address).
19
Preliminary