max2165 Maxim Integrated Products, Inc., max2165 Datasheet - Page 12

• Manufacturer Part Number: max2165
• Description: Single-conversion Dvb-h Tuner
• Manufacturer: Maxim Integrated Products, Inc.

Single-Conversion DVB-H Tuner
Table 10. Shutdown Register (Address: 0x08)
12
SHDN_SYN
SHDN_REF
______________________________________________________________________________________
BIT NAME
SHDN_BG
SHDN_BB
SHDN_PD
SHDN_RF
X
X
BIT LOCATION
(0 = LSB)
7
6
5
4
3
2
1
0
Reserved. Set to 0 for normal operation.
Crystal-oscillator buffer shutdown control:
1 = Buffered crystal-oscillator output is disabled.
0 = Buffered crystal-oscillator output is enabled.
N o t e : The cr ystal osci l l ator i s acti vated b y ei ther the S H D N _S Y N b i t or the S H D N _RE F b i t. If
ei ther b i t i s 0, the cr ystal osci l l ator i s enab l ed . If b oth ar e 1, the cr ystal osci l l ator i s d i sab l ed .
Reserved. Set to 0 for normal operation.
PLL shutdown control:
1 = PLL is disabled.
0 = PLL is enabled.
N o t e : The cr ystal osci l l ator i s acti vated b y ei ther the S H D N _S Y N b i t or the S H D N _RE F b i t. If
ei ther b i t i s 0, the cr ystal osci l l ator i s enab l ed . If b oth ar e 1, the cr ystal osci l l ator i s d i sab l ed .
RF front-end shutdown control:
1 = RF circuits are disabled.
0 = RF circuits are enabled.
M ix e r , b a s e b a n d f ilt e r s , a n d b a s e b a n d va r ia b le - g a i n a m p l if ie r s ( VG A ) s h u t d o w n c o n t r o l:
1 = Mixer, baseband filters, and baseband VGA are disabled.
0 = Mixer, baseband filters, and baseband VGA are enabled.
Baseband power-detector shutdown control:
1 = Baseband power detector is disabled.
0 = Baseband power detector is enabled.
Main bias shutdown control:
1 = Main bias circuits are disabled.
0 = Main bias circuits are enabled.
N o t e : The main bias circuits can and will be shut down once all other blocks are shut
down (all bits in the Shutdown register are set to 1, and the VCO[1:0] bits in the VCO
Control register and the DC_MO[1:0] in the DC Offset Control register are set to 00).
FUNCTION