Rabbit 6000 User’s Manual
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119
11.4 Register Descriptions
Parallel Port D Data Register
(PDDR)
(Address = 0x0060)
Bit(s)
Value
Description
7:0
Read
The current state of Parallel Port D pins PD7–PD0 is reported.
Write
The Parallel Port D buffer is written with this value for transfer to the
Parallel Port D output register on the next rising edge of the port transfer
clock. The port transfer clock is established by PDCR.
Parallel Port D Alternate Low Register
(PDALR)
(Address = 0x0062)
Bit(s)
Value
Description
7:6
00
Parallel Port D bit 3 alternate output 0 (IA7).
01
Parallel Port D bit 3 alternate output 1 (I3).
10
Parallel Port D bit 3 alternate output 2 (TIMER C3).
11
Parallel Port D bit 3 alternate output 3 (SCLKD).
5:4
00
Parallel Port D bit 2 alternate output 0 (SCLKC).
01
Parallel Port D bit 2 alternate output 1 (I2).
10
Parallel Port D bit 2 alternate output 2 (TIMER C2).
11
Parallel Port D bit 2 alternate output 3 (TXF).
3:2
00
Parallel Port D bit 1 alternate output 0 (IA6).
01
Parallel Port D bit 1 alternate output 1 (I1).
10
Parallel Port D bit 1 alternate output 2 (TIMER C1).
11
Parallel Port D bit 1 alternate output 3 (RCLKF).
1:0
00
Parallel Port D bit 0 alternate output 0 (SCLKD).
01
Parallel Port D bit 0 alternate output 1 (I0).
10
Parallel Port D bit 0 alternate output 2 (TIMER C0).
11
Parallel Port D bit 0 alternate output 3 (TCLKF).
Содержание 6000
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Страница 234: ...Rabbit 6000 User s Manual digi com 234 Figure 22 3 Sample Slow A D Converter Circuit...
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Страница 420: ...Rabbit 6000 User s Manual digi com 420 Figure 37 1 Memory Read and Write Cycles...