TWR-AUDIO-SGTL Freescale Semiconductor, TWR-AUDIO-SGTL Datasheet - Page 34

• Manufacturer Part Number: TWR-AUDIO-SGTL
• Description: TWR SYS Audio Board
• Manufacturer: Freescale Semiconductor
• Series: Kinetisr

Specifications of TWR-AUDIO-SGTL

• Kit Contents: TWR-AUDIO-SGTL Featuring SGTL5000 Low Power Stereo Codec, Printed Quick Start Guide
• Mcu Supported Families: K20, K50, MCF51Jx
• Kit Features: SGTL5000 Low Power Stereo Codec With Headphone
• Rohs Compliant: Yes
• Design Resources: TWR-AUDIO-SGTL Schematics
• Accessory Type: Module, Audio with CODEC
• Description/function: Audio CODECs
• Mounting Style: Press Fit
• Product: Audio Modules
• Features: SGTL5000 Low Power Stereo Codec With Headphone Amplifier, Stereo Line-in / Line-out On 3.5mm Jack
• Lead Free Status / Rohs Status: Details
• For Use With/related Products: Freescale Tower System

Table 20. CHIP_DAC_VOL 0x0010
Table 21. CHIP_PAD_STRENGTH 0x0014
34
SGTL500
FUNCTIONAL DEVICE OPERATION
PROGRAMMING EXAMPLES
15:14
BITS
BITS
15:8
15
15
7:0
9:8
7:6
14
14
DAC_VOL_RIGHT
DAC_VOL_LEFT
I2S_LRCLK
I2S_SCLK
FIELD
FIELD
RSVD
13
13
RSVD
DAC_VOL_RIGHT
12
12
RW
RW
RW
RW
RW
RW
RW
11
11
RESET
RESET
0x3C
0x3C
0x0
0x1
0x1
10
10
I2S_LRCLK
Reserved
I
Sets drive strength for output pads per the table below.
0x0 = Disable
0x1 =
0x2 =
0x3 =
I
Sets drive strength for output pads per the table below.
0x0 = Disable
0x1 =
0x2 =
0x3 =
DAC Right Channel Volume
Set the Right channel DAC volume with 0.5017 dB steps from 0 to -90 dB
0x3B and less = Reserved
0x3C = 0 dB
0x3D = -0.5 dB
0xF0 = -90 dB
0xFC and greater = Muted
If VOL_RAMP_EN = 1, there will be an automatic ramp to the new volume setting.
DAC Left Channel Volume
Set the Left channel DAC volume with 0.5017 dB steps from 0 to -90 dB
0x3B and less = Reserved
0x3C = 0 dB
0x3D = -0.5 dB
0xF0 = -90 dB
0xFC and greater = Muted
If VOL_RAMP_EN = 1, there will be an automatic ramp to the new volume setting.
9
2
VDDIO
2
VDDIO
9
S LRCLK Pad Drive Strength
S SCLK Pad Drive Strength
8
8
1.8 V
1.8 V
1.66 mA
3.33 mA
4.99 mA
1.66 mA
3.33 mA
4.99 mA
I2S_SCLK
7
7
6
6
2.87 mA
5.74 mA
8.61 mA
2.87 mA
5.74 mA
8.61 mA
2.5 V
2.5 V
DEFINITION
DEFINITION
I2S_DOUT
5
5
4.02 mA
8.03 mA
12.05 mA
4.02 mA
8.03 mA
12.05 mA
DAC_VOL_LEFT
3.3 V
3.3 V
Analog Integrated Circuit Device Data
4
4
CTRL_DATA
3
3
Freescale Semiconductor
2
2
CTRL_CLK
1
1
0
0