Rabbit 6000 User’s Manual
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131
12.4 Register Descriptions
Parallel Port E Data Register
(PEDR)
(Address = 0x0070)
Bit(s)
Value
Description
7:0
Read
The current state of Parallel Port E pins PE7–PE0 is reported.
Write
The Parallel Port E buffer is written with this value for transfer to the
Parallel Port E output register on the next rising edge of the port transfer
clock. The port transfer clock is established by PECR.
Parallel Port E Alternate Low Register
(PEALR)
(Address = 0x0072)
Bit(s)
Value
Description
7:6
00
Parallel Port E bit 3 alternate output 0 (I3).
01
Parallel Port E bit 3 alternate output 1 (no functionality).
10
Parallel Port E bit 3 alternate output 2 (TIMER C3).
11
Parallel Port E bit 3 alternate output 3 (SCLKD).
5:4
00
Parallel Port E bit 2 alternate output 0 (I2).
01
Parallel Port E bit 2 alternate output 1 (USB_PWR).
10
Parallel Port E bit 2 alternate output 2 (TIMER C2).
11
Parallel Port E bit 2 alternate output 3 (TXF).
3:2
00
Parallel Port E bit 1 alternate output 0 (I1).
01
Parallel Port E bit 1 alternate output 1 (SCLKG).
10
Parallel Port E bit 1 alternate output 2 (TIMER C1).
11
Parallel Port E bit 1 alternate output 3 (RCLKF).
1:0
00
Parallel Port E bit 0 alternate output 0 (I0).
01
Parallel Port E bit 0 alternate output 1 (SDATG).
10
Parallel Port E bit 0 alternate output 2 (TIMER C0).
11
Parallel Port E bit 0 alternate output 3 (TCLKF).
Summary of Contents for 6000
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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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