CHAPTER 26:PCMPWM
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
977
2.
Configuration and Block Diagram
2.1.
Block Diagram
Figure 2-1 Block Diagram of the PCMPWM Module
Bus Interface
The Bus Interface connects the PCMPWM module’s register file to the system bus.
Configuration and Status Registers
This block holds all the module’s user accessible registers.
Data FIFO
This block represents a buffer for PCM samples and a boundary between the system bus clock and the
PWM clock.
Clock Prescaler and 16-Bit Counter
These two blocks represent the free running counter and its prescaler used for the PCM to PWM
conversion.
PCM to PWM Converters
These blocks represent the actual PCM to PWM conversion units. Each channel uses its own converter
block.
Output Control
This block controls the PWM signal outputs. It e.g. defines the signals’ output polarity and keeps unused
outputs at their inactive levels.
Bus
Interface
Configuration and
Status Registers
CONTROL
OCTRL
CLKSEL
COUNTP
PCMOFFS
INTREN
INTRSTAT
INTRCLR
Data FIFO
24 x 32 bit
PCM to PWM
Converter
Signed
to
Unsigned
Converter
Compa-
rator
PWM
Signal
Generator
16 Bit
Counter
Programmable
Prescaler
Output
Control
PCMPWM
PWM_CLK
PCM
sample
PCM
compare
value
Count
value
Ch #0
Ch #1
Sytem Bus
Содержание S6J3200 Series
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