參數(shù)資料
型號： P95020NQG8
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝： 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù)： 145/169頁
文件大?。?/td> 4297K
代理商： P95020NQG8
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
77
2011 Integrated Device Technology, Inc.
PLL Status Register
IC Address = Page-0: 53(0x35), C Address = 0xA035
Table 115. PLL Status Register
BIT BIT NAME
DEFAULT SETTING USER TYPE
VALUE
DESCRIPTION / COMMENTS
0
PLL_LOCK1
0b
R
0b = Not locked
1b = Locked
Main PLL lock status
1
TCXO1_EN
0b
R/W
0b = Disabled
1b = Enabled
TCXO #1 enable
2
TCXO2_EN
0b
R/W
0b = Disabled
1b = Enabled
TCXO #2 enable
3
RESERVED
0b
R/W
RESERVED
4
32KOUT1_EN 0b
R/W
0b = Disabled
1b = Enabled
32K clock #1 enable
5
32KOUT2_EN 0b
R/W
0b = Disabled
1b = Enabled
32K clock #2 enable
6
32K_STABLE
0b
R
0b = Unstable
1b = Stable
32K oscillator or input stable
7
RESERVED
0b
R
RESERVED
Configuration Register
IC Address = Page-0: 61(0x3D), C Address = 0xA03D
Table 116. Configuration Register
BIT
BIT NAME
DEFAULT
SETTING
USER
TYPE
VALUE
DESCRIPTION / COMMENTS
0
OEB_HXTAL
1b
R/W
0b = HXTALIN/TCXO_OUT1 is HXTALIN and
HXTALOUT/TCXO_IN is HXTALOUT
1b = HXTALIN/TCXO_OUT1 is TCXO_OUT1 and
HXTALOUT/TCXO_IN is TCXO_IN
HXTALIN/TCXO_OUT1 and
HXTALOUT/TCXO_IN Select
1
OUT48M_C
0b
R/W
0b = Output is 48MHz clock from PLL
1b = Output is 24MHz clock from PLL
USB_CLK Select
2
OUT12M_C
0b
R/W
0b = Output is 12MHz clock from PLL
1b = Output is from HXTALOUT/TCXO_IN
SYS_CLK Select
[4:3] TCXO2_C
00b
R/W
00b = TCXO_OUT2 is from HXTALOUT/TCXO_IN
01b = TCXO_OUT2 is 12 MHz clock from PLL
10b = 11b = TCXO_OUT2 is 48 MHz clock from PLL
TCXO_OUT2 Select
[6:5] TCXO1_C
0b
R/W
00b = TCXO_OUT1 is from HXTALOUT/TCXO_IN
01b = TCXO_OUT1 is from 32KHZ_CLKIN
10b = 11b = TCXO_OUT1 is 24 MHz clock from PLL
TCXO_OUT1 Select
7
TCXO_HV_ENB 0b
R/W
0b: tune TCXO_OUT1/2 drive strength to match
VDDIO_CK is 1.8V;
1b: tune TCXO_OUT1/2 drive strength to match
VDDIO_CK is 1.2V.
Tune TCXO_OUT1/2 drive
strength according to
VDDIO_CK
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