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Rabbit 6000 User’s Manual
digi.com
347
PWM LSB x Register
(PWL2R)
(Address = 0x008C)
(PWL3R)
(Address = 0x008E)
Bit(s)
Value
Description
7:6
Least significant two bits for the Pulse Width Modulator count.
5:4
00
Normal PWM operation.
01
Suppress PWM output seven out of eight iterations of PWM counter.
10
Suppress PWM output three out of four iterations of PWM counter.
11
Suppress PWM output one out of two iterations of PWM counter.
3:1
These bits are ignored and should be written with zero.
0
0
PWM output High for single block.
1
Spread PWM output throughout the cycle.
PWM MSB x Register
(PWM0R)
(Address = 0x0089)
(PWM1R)
(Address = 0x008B)
(PWM2R)
(Address = 0x008D)
(PWM3R)
(Address = 0x008F)
Bit(s)
Value
Description
7:0
Most significant eight bits for the Pulse Width Modulator count. With a
count of “n”, the PWM output will be High for “n + 1” clocks out of the
1024 clocks of the PWM counter.
PWM Block Access Register
(PWBAR)
(Address = 0x00E8)
Bit(s)
Value
Description
7:0
Access the PWM register pointed to by the PWBPR. The PWBPR is
automatically updated to the next PWM register address in the sequence.
PWM Block Pointer Register
(PWBPR)
(Address = 0x00E9)
Bit(s)
Value
Description
7:3
These bits are reserved.
2:0
Three least significant bits of the PWM register address for indirect
access.
Summary of Contents for 6000
Page 1: ...Rabbit 6000 Microprocessor User s Manual 90001108_J...
Page 11: ...Rabbit 6000 User s Manual digi com 11 1 3 Block Diagram Figure 1 1 Rabbit 6000 Block Diagram...
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Page 234: ...Rabbit 6000 User s Manual digi com 234 Figure 22 3 Sample Slow A D Converter Circuit...
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Page 420: ...Rabbit 6000 User s Manual digi com 420 Figure 37 1 Memory Read and Write Cycles...