Rabbit 6000 User’s Manual
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198
Serial Port x Extended Register
(SAER)
(Address = 0x00C5)
(SBER)
(Address = 0x00D5)
(Clocked Serial Mode Only)
(SCER)
(Address = 0x00E5)
(SDER)
(Address = 0x00F5)
Bit(s)
Value
Description
7
0
Normal clocked serial operation.
1
Timer-synchronized clocked serial operation.
6
0
Timer-synchronized clocked serial uses Timer B1.
1
Timer-synchronized clocked serial uses Timer B2.
5:4
00
Normal clocked serial clock polarity, inactive high. Internal or external
clock.
01
Normal clocked serial clock polarity, inactive low. Internal clock only.
10
Inverted clocked serial clock polarity, inactive low. Internal or external
clock.
11
Inverted clocked serial clock polarity, inactive high. Internal clock only.
3
0
Normal bit order (LSB first) for transmit and receive.
1
Reverse bit order (MSB first) for transmit and receive.
2
0
Serial clock (input mode only) from Parallel Port D (SCER and SDER
only).
1
Serial clock (input mode only) from Parallel Port E (SCER and SDER
only).
1
0
No effect on transmitter.
1
Terminate current clocked serial transmission. No effect on buffer.
0
0
No effect on receiver.
1
Terminate current clocked serial reception.
Serial Port x Divider Low Register
(SADLR)
(Address = 0x00C6)
(SBDLR)
(Address = 0x00D6)
(SCDLR)
(Address = 0x00E6)
(SDDLR)
(Address = 0x00F6)
Bit(s)
Value
Description
7:0
Eight LSBs of the divider that generates the serial clock for this channel.
This divider is not used unless the MSB of the corresponding SxDHR is
set to one.
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 230: ...Rabbit 6000 User s Manual digi com 230 22 2 Block Diagram...
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...