參數(shù)資料
型號(hào): MAX9888EWY+T
廠商: Maxim Integrated Products
文件頁數(shù): 90/115頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO FLEXSOUND 63WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®, FLEXSOUND™
類型: D 類
輸出類型: 3 通道,帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 1.37W x 2 @ 8 歐姆; 40mW x 2 @ 16 歐姆
電源電壓: 2.8 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²S,麥克風(fēng),靜音,關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 63-WLP
封裝/外殼: 63-WFBGA,WLCSP
包裝: 帶卷 (TR)
配用: MAX9888EVKIT+-ND - KIT EVALUATION FOR MAX9888
Stereo Audio CODEC
with FlexSound Technology
MAX9888
76
Table 11. Clock Control Registers
Clock Control
The digital signal paths in the IC require a master
clock (MCLK) between 10MHz and 60MHz to func-
tion. Internally, the MAX9888 requires a clock between
10MHz and 20MHz. A prescaler divides MCLK by 1, 2,
or 4 to create the internal clock (PCLK). PCLK is used to
clock all portions of the IC.
The MAX9888 includes two digital audio signal paths,
both capable of supporting any sample rate from 8kHz
to 96kHz. Each path is independently configured to allow
different sample rates. To accommodate a wide range
of system architectures, three main clocking modes are
supported:
U
PLL Mode: When operating in slave mode, enable
the PLL to lock onto any LRCLK input. This mode
requires the least configuration, but provides the
lowest performance. Use this mode to simplify initial
setup or when normal mode and exact integer mode
cannot be used.
U
Normal Mode: This mode uses a 15-bit clock divider
to set the sample rate relative to PCLK. This allows
high flexibility in both the PCLK and LRCLK frequen-
cies and can be used in either master or slave mode.
U
Exact Integer Mode (DAI1 only): In both master and
slave modes, common MCLK frequencies (12MHz,
13MHz, 16MHz, and 19.2MHz) can be programmed
to operate in exact integer mode for both 8kHz and
16kHz sample rates. In these modes, the MCLK and
LRCLK rates are selected by using the FREQ1 bits
instead of the NI, and PLL control bits.
REGISTER
BIT
NAME
DESCRIPTION
0x10
5
PSCLK
MCLK Prescaler
Generates PCLK, which is used by all internal circuitry.
00 = PCLK disabled
01 = 10MHz P MCLK P 20MHz (PCLK = MCLK)
10 = 20MHz P MCLK P 40MHz (PCLK = MCLK/2)
11 = 40MHz P MCLK P 60MHz (PCLK = MCLK/4)
4
0x11/0x19
7
SR1/SR2
DAI1/DAI2 Sample Rate
Used by the ALC to correctly set the dual-band crossover frequency and the excursion
limiter to set the predefined corner frequencies.
6
VALUE
SAMPLE RATE
(kHz)
VALUE
SAMPLE RATE
(kHz)
0x0
Reserved
0x8
48
5
0x1
8
0x9
88.2
0x2
11.025
0xA
96
0x3
16
0xB
Reserved
0x4
22.05
0xC
Reserved
4
0x5
24
0xD
Reserved
0x6
32
0xE
Reserved
0x7
44.1
0xF
Reserved
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