tda18219hn NXP Semiconductors, tda18219hn Datasheet - Page 12

• Manufacturer Part Number: tda18219hn
• Description: Silicon Tuner For Terrestrial And Cable Digital Tv Reception
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 7.
Table 8.
Table 9.
TDA18219HN_1
Objective data sheet
Address
00h
01h
02h
Address
03h
04h
Address
05h
06h
Register
Power_state_byte_1
Power_state_byte_2
ID byte bit descriptions
Temperature sensor bit descriptions
Power state bit descriptions
Register
Thermo_byte_1
Thermo_byte_2
Register
ID_byte_1
ID_byte_2
ID_byte_3
10.1.1 Device type address ID
10.1.2
10.1.3 Power state
Temperature sensor
Remark: The thermometer value is updated each time a read is performed on the byte
Thermo_byte_1
Table 10.
SM
0
1
[1]
Bit
6 to 0
7 to 0
7 to 4
3 to 0
Bit
6 to 0
0
Bit
1
0
0
1
3
Mode selection
SM_LNA
0
0
Symbol
Ident[14:8]
Ident[7:0]
Major_rev[3:0]
Minor_rev[3:0]
Symbol
TM_D[6:0]
TM_ON
, if TM_ON is set to 1. Otherwise, temperature value is not updated.
Symbol
POR
LO_Lock R
SM_XT
SM_LNA R/W
SM
[1]
Rev. 01 — 3 February 2010
Access Value
R
R/W
R/W
Access
R
W
SM_XT
0
0
Silicon Tuner for terrestrial and cable digital TV reception
Access
R
R
R
[1]
-
0
1
0
1
see
Table 10
see
Table 10
see
Table 10
Value
-
0
1
Value
4724h
Mode
Normal mode = ON
Standby mode with LT ON and XTOUT ON
Description
detects when the tuner supply voltage went
below POR threshold voltage. The tuner is then
reset to its original settings (tuner not initialized).
LO lock flag
Description
a junction temperature measurement ranging
from 22 °C to 127 °C is indicated through these
bits
temperature sensor ON or OFF
once it has been read
the POR occurred on the tuner
PLL unlocked
PLL locked
temperature sensor switched off
temperature sensor switched on
Description
type number information
major releases; current = 1
minor releases; current = 1
TDA18219HN
© NXP B.V. 2010. All rights reserved.
12 of 49