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PCM1795DB 数据表(PDF) 23 Page - Texas Instruments

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部件名 PCM1795DB
功能描述  32-Bit, 192-kHz Sampling, Advanced Segment, Stereo Audio Digital-to-Analog Converter
PDF  58 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

PCM1795DB 数据表(HTML) 23 Page - Texas Instruments

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t
(MCH)
1.4V
MS
t
(MSS)
LSB
1.4V
1.4V
t
(MCL)
t
(MCY)
t
(MDS)
MC
MDI
t
(MOS)
50%ofV
DD
MDO
t
(MHH)
t
(MSH)
t
(MDH)
I
2C INTERFACE
PCM1795
www.ti.com ........................................................................................................................................................................................................ SLES248 – MAY 2009
Figure 43. Control Interface Timing
Timing Characteristics for Figure 43
PARAMETER
MIN
MAX
UNIT
t(MCY)
MC pulse cycle time
100
ns
t(MCL)
MC low-level time
40
ns
t(MCH)
MC high-level time
40
ns
t(MHH)
MS high-level time
80
ns
t(MSS)
MS falling edge to MC rising edge
15
ns
t(MSH)
MS hold time(1)
15
ns
t(MDH)
MDI hold time
15
ns
t(MDS)
MDI setup time
15
ns
t(MOS)
MC falling edge to MDO stable
30
ns
(1)
MC rising edge for LSB to MS rising edge.
The PCM1795 supports the I2C serial bus and the data transmission protocol for standard and fast mode as a
slave device. This protocol is explained in the I2C specification 2.0.
In I2C mode, the control terminals are changed as described in Table 7.
Table 7. Control Terminals
TERMINAL NAME
TDMCA NAME
PROPERTY
DESCRIPTION
MS
ADR0
Input
I2C address 0
MDI
ADR1
Input
I2C address 1
MC
SCL
Input
I2C clock
MDO
SDA
Input/output
I2C data
Copyright © 2009, Texas Instruments Incorporated
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Product Folder Link(s): PCM1795



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