TEA6821T Datasheet, PDF (29/47 Pages) NXP Semiconductors – ICE car radio

Philips Semiconductors
ICE car radio
Preliminary specification
TEA6821T
data byte 2
bit 0 LSB of the IF-counter
bit 1 IF-counter
bit 2 IF-counter
bit 3 IF-counter
bit 4 IF-counter
bit 5 IF-counter
bit 6 IF-counter
bit 7 MSB of the IF-counter
Note
1. The A/D conversion for multipath and level will be done while a transmission of any address to the I²C-bus.
Table 1 Reference frequency setting in byte 1
BIT 3
0
0
0
0
1
1
1
1
BIT 2
0
0
1
1
0
0
1
1
BIT 1
0
1
0
1
0
1
0
1
3 kHz
5 kHz
10 kHz
15 kHz
25 kHz
50 kHz
not defined
not defined
REFERENCE FREQUENCY
Reference frequency generation; note 1
DIVISION RATIO
20500
12300
6150
4100
2460
1230
REFERENCE FREQUENCY (kHz)
3
5
10
15
25
50
Note
1. All specified frequencies are valid for a crystal oscillator frequency of 61.5 MHz.
September 1993
29