Example 3–1. 8-khz sampling rate – Texas Instruments MSP50C6xx User Manual
Page 77
Digital-to-Analog Converter (DAC)
3-13
Peripheral Functions
Example 3–1. 8-kHz Sampling Rate
8 kHz Nominal Synthesis Rate
32.768 kHz Oscillator Reference
DAC
Precision
IntGenCtrl
PDMCD
Bit
Over-
Sampling
Factor
ClkSpdCtrl
PLLM
Register
Value
(hex)
Master
Clock
Rate
(MHz)
PDM
Rate
(MHz)
CPU
Clock
Rate
(MHz)
Output
Sampling
Rate
(kHz)
Number of
Instructs
Between
DAC
Interrupts
Number of
Instructs
Between
8 kHz
Interrupts
8 bits
1
1x
0x 0F
2.10
2.10
1.05
8.19
128
128
2x
0x 1E
4.06
4.06
2.03
15.87
128
256
4x
0x 3E
8.26
8.26
4.13
32.26
128
512
8x
0x 7C
16.38
16.38
8.19
64.00
128
1024
0
1x
0x 1E
4.06
2.03
2.03
7.94
256
256
2x
0x 3E
8.26
4.13
4.13
16.13
256
512
4x
0x 7C
16.38
8.19
8.19
32.00
256
1024
9 bits
1
1x
0x 1E
4.06
4.06
2.03
7.94
256
256
2x
0x 3E
8.26
8.26
4.13
16.13
256
512
4x
0x 7C
16.38
16.38
8.19
32.00
256
1024
0
1x
0x 3E
8.26
4.13
4.13
8.06
512
512
2x
0x 7C
16.38
8.19
8.19
16.00
512
1024
10 bits
1
1x
0x 3E
8.26
8.26
4.13
8.06
512
512
2x
0x 7C
16.38
16.38
8.19
16.00
512
1024
0
1x
0x 7C
16.38
8.19
8.19
8.00
1024
1024