cx82100 Conexant Systems, Inc., cx82100 Datasheet - Page 213
cx82100
Manufacturer Part Number
cx82100
Description
Home Network Processor Hnp
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX82100.pdf
(226 pages)
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13.4.3
101306C
Bit(s)
31:16
15:1
0
Type
RW
RW
Low Power Mode Register (LPMR: 0x00350014)
Default
16'b0
0
Conexant Proprietary and Confidential Information
LPM_CLK_DIV
LPM_EN
CX82100 Home Network Processor Data Sheet
Name
Low Power Mode Clock Divider.
In Low Power Mode, BCLK operation is changed to:
For example, a BCLK as slow as 270 Hz can be generated using a
35.328 MHz CLKI as the input if Low Power Mode is enabled
(LPM_EN = 1) and BCLK slow speed is not selected
(PLL_B_CR_SLOW = 0 in the PLL_B register).
If both LPM_EN and PLL_B_CR_SLOW = 1, the clock frequency for
BCLK is additionally divided by 2.
Reserved.
Low Power Mode Enable.
Note: This control bit will not switch off or power-down the PLLs. To
put the PLLs in a power-down state, the PLL_F_INT / PLL_B_INT
values (bits [21:16] in PLL_F and PLL_B registers) must be 0.
BCLK = CLKI/(LPM_CLK_DIV + 1)*2
0 = Normal mode.
1 = Enable Low Power Mode, i.e., BCLK operates as described in
LPMR[31:16]. It also switches off FCLK and UCLK to the
ARM40T Core and USB Block.
Description
13-7
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