mc68hc908lb8 Freescale Semiconductor, Inc, mc68hc908lb8 Datasheet - Page 98

• Manufacturer Part Number: mc68hc908lb8
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

HRPCLK
CLKSEL = 0, clock from dual frequency generator
CLKSEL = 1, clock from 16-bit timebase counter
SEL[2:0]
MODULUS
COMPARE
COUNTER
COMPARE
STEP[4:0]
DIVIDER
5-BIT
Figure 10-6. Dithering Controller and Dual Frequency Generator Block
INCREMENT
DITHERING TIMEBASE
SRC
CLK
1
0
HRPTBH
16-BIT COUNTER
COMPARE
HRPTBL
RESET
S
R
Q
/2
0
DC[10:0]
1
PERIOD 1
DUTY CYCLE REGISTER
PERIOD REGISTER
DUTY 1
UP COUNTER
P[10:0]
1
1
+1
0
0
DUTY 2
PERIOD 2
DUAL FREQUENCY GENERATOR
+1
1
0
0
1
/2
HRPMODE
TO DEADTIME
GENERATORS