SLRC400 Datasheet, PDF (24/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
5.2.1.6 SecondaryStatus Register
Diverse Status flags.
Name: SecondaryStatus
Address: 0x05
7
6
5
4
TRunning E2Ready CRCReady
0
Access
r
r
Rights
r
r
Reset value: 01100000, 0x60
3
2
1
0
0
RxLastBits
r
r
r
r
Description of the bits
Bit
Symbol
7
TRunning
6
E2Ready
5
CRCReady
4-3
00
2-0
RxLastBits
Function
If set to 1, the SL RC400’s timer unit is running, e.g. the counter will decrement
the Timer Value Register with the next timer clock.
If set to 1, the SL RC 400 has finished programming the E²PROM.
If set to 1, the SL RC400 has finished calculating the CRC.
Reserved for future use.
Show the number of valid bits in the last received byte. If zero, the whole byte is
valid.
24
Preliminary