cp3bt26y98nepx National Semiconductor Corporation, cp3bt26y98nepx Datasheet - Page 160

• Manufacturer Part Number: cp3bt26y98nepx
• Description: Reprogrammable Connectivity Processor With Bluetooth-r, Usb, And Can Interfaces
• Manufacturer: National Semiconductor Corporation

21.0 CVSD/PCM Conversion Module
21.1
PRSAC &= 0x0f;
// Set Aux2 prescaler to generate
// 2 MHz (Fsys = 12 MHz)
PRSAC |= 0x50;
CRCTRL |= ACE2; // Enable Aux2 clk
OPERATION
16-Bit 8 kHz
u/A-Law
Figure 78. CVSD/PCM Converter Block Diagram
16-Bit 8 kHz
u/A-Law
Clock Input
2 MHz
Engine
Filter
Peripheral Bus
Interrupt
16-Bit
64 kHz
16-Bit
64 kHz
21.2
Encoder
Decoder
CVSD
CVSD
DMA
PCM CONVERSIONS
16-Bit Shift Reg
16-Bit Shift Reg
1-Bit 64 kHz
1-Bit 64 kHz
DS058