TEA6100 Philips Semiconductors (Acquired by NXP), TEA6100 Datasheet - Page 7

• Manufacturer Part Number: TEA6100
• Description: TEA6100; Fm/if System And Microcomputer-based Tuning Interface
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
Communication between TEA6100 and the microcomputer is via a two wire bidirectional I
are fully isolated to avoid cross talk between the digital and analogue parts of the circuit.
Table 2 Input bits
August 1987
1
2
3
4
5
6
7
8
FM/IF system and microcomputer-based
tuning interface
BIT
reference frequency
IF mode
IF input
counter input
counter mode
resolution
accuracy
test mode
FUNCTION
Fig.3 Input data format waveforms.
32 kHz
AM
pin 19
460 kHz
AM
divide by 8
LOW
OFF
LOGIC 0
7
40 kHz
FM
pin 18
10,7 MHz
FM
divide by 1
HIGH
ON
LOGIC 1
A
B
C
D
E
F
G
H
2
C bus. The power supply lines
SEE Fig.5 AND 6
Product specification
TEA6100