DS21448 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS21448 Datasheet PDF : 60 Pages
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DS21448 3.3V T1/E1/J1 Quad Line Interface
Table 6-A. Transmit Code Length
TC1
TC0
LENGTH SELECTED
(BITS)
0
0
5
0
1
6/3
1
0
7
1
1
16/8/4/2/1
Table 6-B. Receive Code Length
RUP2/RDN2
0
0
0
0
1
1
1
1
RUP1/RDN1
0
0
1
1
0
0
1
1
RUP0/RDN0
0
1
0
1
0
1
0
1
LENGTH SELECTED
(BITS)
1
2
3
4
5
6
7
16/8
TCD1 (0BH): Transmit Code Definition Register 1
(MSB)
C7
C6
C5
C4
C3
C2
C1
NAME
C7
C6
C5
C4
C3
C2
C1
C0
POSITION
TCD1.7
TCD1.6
TCD1.5
TCD1.4
TCD1.3
TCD1.2
TCD1.1
TCD1.0
FUNCTION
Transmit Code Definition Bit 7. First bit of the repeating pattern.
Transmit Code Definition Bit 6
Transmit Code Definition Bit 5
Transmit Code Definition Bit 4
Transmit Code Definition Bit 3
Transmit Code Definition Bit 2. A don’t care if a 5-bit length is selected.
Transmit Code Definition Bit 1. A don’t care if a 5-bit or 6-bit length is selected.
Transmit Code Definition Bit 0. A don’t care if a 5-, 6-, or 7-bit length is selected.
(LSB)
C0
TCD2 (0CH): Transmit Code Definition Register 2
(MSB)
C15
C14
C13
C12
NAME
C15
C14
C13
C12
C11
C10
C9
C8
POSITION
TCD2.7
TCD2.6
TCD2.5
TCD2.4
TCD2.3
TCD2.2
TCD2.1
TCD2.0
Transmit Code Definition Bit 15
Transmit Code Definition Bit 14
Transmit Code Definition Bit 13
Transmit Code Definition Bit 12
Transmit Code Definition Bit 11
Transmit Code Definition Bit 10
Transmit Code Definition Bit 9
Transmit Code Definition Bit 8
C11
C10
FUNCTION
(LSB)
C9
C8
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