20-101-0732 Rabbit Semiconductor, 20-101-0732 Datasheet - Page 48
20-101-0732
Manufacturer Part Number
20-101-0732
Description
INTERFACE SMART SCREEN OP7100
Manufacturer
Rabbit Semiconductor
Datasheet
1.101-0303.pdf
(126 pages)
Specifications of 20-101-0732
Module/board Type
Single Board Computer Module
For Use With/related Products
OP7100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
20-101-732
20-101-732
20-101-732
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RE (Receiver Enable)
This bit controls the receiver: 1 ⇒ enabled, 0 ⇒ disabled. When this bit is
cleared, the processor aborts the operation in progress, but does not disturb
RDRF or the error flags.
MPE (Multiprocessor Enable)
This bit (1 ⇒ enabled, 0 ⇒ disabled) controls multiprocessor communica-
tion mode which uses an extra bit for selective communication when a
number of processors share a common serial bus. This bit has effect only
when MP in Control Register B is set to 1. When this bit is 1, only bytes
with the MP bit on will be detected. Others are ignored. If this bit is 0, all
bytes received are processed. Ignored bytes do not affect the error flags or
RDRF.
ASCI Control Register B
Control Register B configures the multiprocessor mode, parity, and baud
rate for each channel.
SS (Source/Speed Select)
Coupled with the prescaler (
the source (internal or external clock) and the baud rate divider, as shown
in Table 3-4.
48 Hardware
CNTLB0
MPBT
R / W
7
(02H) and
R / W
MP
*
6
SS2
0
0
0
0
1
1
1
1
May not exceed system clock ÷ 40
Table 3-4. Baud Rate Divide Ratios
CNTLB1
/CTS
R / W
PS
for Source/Speed Select Bits
5
SS1
0
0
1
1
0
0
1
1
PS
(03H)
PEO
R / W
) and the divide ratio (
4
SS0
0
1
0
1
0
1
0
1
R / W
DR
3
external clock*
Divide Ratio
SS2
R / W
2
÷ 16
÷ 32
÷ 64
÷ 1
÷ 2
÷ 4
÷ 8
DR
SS1
R / W
), the
1
SS
SS0
R / W
bits select
0
OP7100
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