Texas Instruments PCM2900C Evaluation Module PCM2900CEVM-U PCM2900CEVM-U 데이터 시트
제품 코드
PCM2900CEVM-U
S/PDIF IN
S/PDIF OUT
USB
Connector
USB Interface
SW001 - SW003
Operation Control
3.3 V
REG
12-MHz XTAL
CN002
CN001
Lch
Rch
V
L/R
OUT
V L/R
IN
DIN
DOUT
D+/–
V
BUS
OPA2353
LPF
OPA2353
LPF
CN101
Analog Out
Lch
Rch
CN102
Analog In
PCM2900C
PCM2902C
PCM2906C
GND GND
OUT
IN
Description
1.1
Block Diagram
A block diagram of the PCM2900C/2902C/2906C is shown in
Figure 1. PCM290xCEVM-U Block Diagram
1.2
Connectors and Jumpers
summarizes the connectors and jumpers on the PCM290xCEVM-U.
illustrates the pinout
for CN002.
Table 1. Connectors and Jumpers
Connector/Jumper
Description
USB port (series B connector); connects to a USB
CN001
cable/connector
CN101
Audio LINE OUT (stereo mini-jack, 1.98 V
PP
full-scale)
CN102
Audio LINE IN (stereo mini-jack, 1.98 V
PP
full-scale)
CN002
S/PDIF IN/OUT for PCM2902C/PCM2906C
Figure 2. CN002 Pinout
1.3
Switch Settings
•
SW001: Human interface device (HID) key state (mute)
•
SW002: HID key state (volume up)
•
SW003: HID key state (volume down)
These switches should be set to logic level low when no HID is being used, or toggled high for HID control
of the respective parameters.
of the respective parameters.
6
PCM2900C/2902C/2906CEVM-U
SBAU195
–
September 2011
Copyright
©
2011, Texas Instruments Incorporated