參數(shù)資料
型號: EVAL-ADAU1781Z
廠商: Analog Devices Inc
文件頁數(shù): 77/92頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR ADAU1781
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
主要目的: 音頻編解碼器
嵌入式: 是,DSP
已用 IC / 零件: ADAU1781
主要屬性: 立體聲,24 位,8 ~ 96 kHz 采樣率,GUI 工具
次要屬性: *
已供物品: *
ADAU1781
Rev. B| Page 79 of 92
Register 16432 (0x4030), Communication Port Pad
Control 1
Bit 3, CDATA Pin Drive Strength
This bit sets the drive strength of the CDATA pin. Low mode yields
2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD = 1.8 V.
High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA when
IOVDD = 1.8 V.
Bit 2, CLATCH
This bit sets the drive strength of the
Pin Drive Strength
CLATCH
Bit 1, SCL/CCLK Pin Drive Strength
pin. Low mode
yields 2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD =
1.8 V. High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA
when IOVDD = 1.8 V.
This bit sets the drive strength of the SCL/CCLK pin. Low mode
yields 2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD =
1.8 V. High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA
when IOVDD = 1.8 V.
Bit 0, SDA/COUT Pin Drive Strength
This bit sets the drive strength of the SDA/COUT pin. Low mode
yields 2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD =
1.8 V. High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA
when IOVDD = 1.8 V.
Table 68. Communication Port Pad Control 1 Register
Bits
Description
Default
[7:4]
Reserved
3
CDATA pin drive strength
0
0: low
1: high
2
CLATCH
0
pin drive strength
0: low
1: high
1
SCL/CCLK pin drive strength
0
0: low
1: high
0
SDA/COUT pin drive strength
0
0: low
1: high
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