Snowball board System
Architecture and Design
39
• VAPE
• VSMPS1
• VSMPS2_1V8
• VSMPS3
• VBBN and VBBP
Figure 8.7 illustrates the schematics of the main voltage regulators used for supplying the A9500
processor.
Figure 8.7. VBAT Power Conditioning
8.4.2. Processor I2C Control
The various components in the AB8500 are controlled from the processor via the I2C interface.
I2C_APE_SDA/SCL is used to control the AB8500 device.
8.4.3. VARM
The Varm DC/DC converter supplies the ARM processor. This DC/DC converter supports voltage
scaling feature and it is controlled by the dedicated I2C_APE_SDA/SCL bus interface.
8.4.4. VAPE
The Vape DC/DC converter supplies the Smart Video and Audio accelerators and 2D/3D GFx engine.
8.4.5. VSMPS1
The Vsmps1 DC/DC converter supplies all 1.2 V I/Os and memories requiring this supply. Vsmps1
also supplies the AB8500 audio and DENC digital parts.
Summary of Contents for SKY-S9500-ULP-CXX
Page 1: ...SKY S9500 ULP CXX aka Snowball PDK SDK Hardware Reference Manual Revision 1 0 July 1 2011...
Page 3: ...SKY S9500 ULP CXX aka Snowball PDK SDK 3...
Page 17: ...Snowball board Overview 8 Figure 4 2 Snowball board Usage Scenarios...
Page 89: ...Connnector Pinouts and Cables 80 Figure 9 17 Location of R77...
Page 92: ...Mechanical Information 83 Figure 11 2 Board Mechanical drawing...
Page 93: ...Troubleshooting 84 Chapter 12 Troubleshooting 12 1 TBD TBD...
Page 94: ...Known Issues 85 Chapter 13 Known Issues TBD...
Page 96: ...PCB Component Locations 87 Figure 14 2 Snowball board Bottom Side Components...
Page 97: ...Schematics 88 Chapter 15 Schematics Figure 15 1 AB8500 1 2...
Page 98: ...Schematics 89 Figure 15 2 AB8500 2 2...
Page 99: ...Schematics 90 Figure 15 3 Power circuitry and serial port...
Page 100: ...Schematics 91 Figure 15 4 AP9500 1 4...
Page 101: ...Schematics 92 Figure 15 5 AP9500 2 4...
Page 102: ...Schematics 93 Figure 15 6 AP9500 3 4...
Page 103: ...Schematics 94 Figure 15 7 AP9500 4 4...
Page 104: ...Schematics 95 Figure 15 8 Reset circuitry and Audio in out...
Page 105: ...Schematics 96 Figure 15 9 HMDI circuitry...
Page 106: ...Schematics 97 Figure 15 10 Sensors...
Page 107: ...Schematics 98 Figure 15 11 WLAN Bluetooth GPS...
Page 108: ...Schematics 99 Figure 15 12 eMMC and microSD...
Page 109: ...Schematics 100 Figure 15 13 Expansion connector...
Page 110: ...Schematics 101 Figure 15 14 Ethernet 10 100M...