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SC28L202 Datasheet(PDF) 56 Page - NXP Semiconductors

Part # SC28L202
Description  Dual universal asynchronous receiver/transmitter DUART
PDF  77 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SC28L202 Datasheet(HTML) 56 Page - NXP Semiconductors

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Philips Semiconductors
Objective specification
SC28L202
Dual UART
2000 Feb 10
50
SOPR – Set Bits in the OPR
Ones in the byte written to this register will cause the corresponding bit positions in the OPR to set to 1. Zeros have no effect. This allows
software to set individual bits without keeping a copy of the OPR bit configuration.
Set OPR
Bits
Bit 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
I/O7 B
I/O6 B
I/O5 B
I/O4 B
I/O3 B
I/O2 B
I/O1 B
I/O0 B
1=set bit
0=no change
1=set bit
0=no change
1=set bit
0=no change
1=set bit
0=no change
1=set bit
0=no change
1=set bit
0=no change
1=set bit
0=no change
1=set bit
0=no change
ROPR – Reset Bits in the OPR
Ones in the byte written to the ROPR will cause the corresponding bit positions in the OPR to set to 0. Zeros have no effect. This allows
software to reset individual bits with our keeping a copy of the OPR bit configuration.
Reset OPR
Bits
Bit 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
I/O7 B
I/O6 B
I/O5 B
I/O4 B
I/O3 B
I/O2 B
I/O1 B
I/O0 B
1=reset bit
0=no change
1=reset bit
0=no change
1=reset bit
0=no change
1=reset bit
0=no change
1=reset bit
0=no change
1=reset bit
0=no change
1=reset bit
0=no change
1=reset bit
0=no change
OPR Output Port Register
The bits in the OPR register are controlled by the use of the SOPR and ROPR commands. The output pins (OP pins) drive the compliment of
the data stored in this register.
OPR
Bit 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
I/O7 B
I/O6 B
I/O5 B
I/O4 B
I/O3 B
I/O2 B
I/O1 B
I/O0 B
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low
0=Pin High
1=Pin Low



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