tda7333 STMicroelectronics, tda7333 Datasheet - Page 14

• Manufacturer Part Number: tda7333
• Description: Rds/rbds Processor
• Manufacturer: STMicroelectronics

TDA7333
Note :
Sinc4reg and testreg are reserved registers dedicated to testing and evaluation.
14/21
(2)
rds_bd_ctrl
(1)
re se t va lue
bit nam e
a cce ss
pllb1
pllf
0
1
0
0
1
1
bit 7
freq
r/w
0
pllb0
0
1
0
1
lock tim e needed for 90 deg deviation
qsens1
bit 6
r/w
0
lock tim e needed for 90 deg deviation
qsens0
bit 5
r/w
0
10 m s
2 m s
pllb1
bit 4
r/w
0
5 m s (reset status)
15 m s
35 m s
76 m s
pllb0
bit 3
r/w
0
bit 2
pllf
r/w
0
bit 1
shw
r/w
0
bit 0
1
-
r
(3) select sensitivity of quality bit.
00: minimum (reset value)
11: maximum
select PLL’s time constants by software or hardware:
1: software. Time constants are selected by pllb[1:0] resp.
pllf
0: hardware. (reset value) Time constants automatically
increase after a reset.
set the 57kHz pll time constant (1)
bit 0 of 1187.5Hz pll time constant (2)
bit 1 of 1187.5Hz pll time constant (2)
bit 0 of quality sensitivity (3)
bit 1 of quality sensitivity (3)
select oscillator frequency:
1: 8.664MHz
0: 8.55MHz (reset value)