参数资料
型号: TLV320AIC23EVM2
厂商: Texas Instruments
文件页数: 19/47页
文件大小: 0K
描述: EVAL MOD FOR TLV320AIC23/DAC23
标准包装: 1
主要目的: 音频编解码器
嵌入式:
已用 IC / 零件: TLV320AIC23
主要属性: 立体声 16 ~ 32 位 8 ~ 96 kHz 采样率
次要属性: 图形用户界面,90dB SNR 模数转换器和 100dB SNR 数模转换器,I2C 和 SPI 接口
已供物品:
配用: WM2582-ND - EVALDI EARBUDS TYPE Y
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Digital I/O
3.5 Digital I/O
A protected header, J7, is available for interfacing with external digital I/O. Two
power sources, 5 V and 3.3 V, are available on J7 for powering external
boards. The 5-V power is tapped directly off PJ1. The 3.3-V power can supply
up to 100 mA.
Signal
5v_DIO (5.0 VDC)
VCC_DIO (3.0 VDC)
DIN
DOUT
BCLK
LRCIN
LRCOUT
MCLK
DIGITAL GROUND
3.6 TLV320AIC23 EVM2 Features
J7
1, 2
5, 6
9
11
13
15
17
19
3, 4, 7, 8, 10, 12, 14, 16, 18, 20
3.6.1
Master Clock
The master clock can be either external or internal. For internal mode, a crystal
socket is available. For external mode, the master clock is applied to SMA jack
J8. The master clock input is 5-V tolerant. The master clock output is available
at SMA jack J6. The master clock is derived from the CLKOUT pin (U1 pin 2).
This signal has a 5-V swing.
3.6.2
3.6.3
Digital Loopback
Digital loopback can be enabled using the GUI. This loops DOUT to DIN via
a MUX.
Software Interface Connection
A PC provides control of the TLV320AIC23 EVM2 via a software GUI called
Rhino. A parallel port interface board, DAREF106, connects to the PC parallel
port. A cable with miniDIN 8-pin connectors, included in the TLV320AIC23
EVM2 kit, connects the parallel port interface board to the EVM.
Theory of Operation
3-7
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