Datasheet

DS2148/DS21Q48
40 of 73
Table 6-1. 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 6-2. Receive Code Length
RUP2/RDN2 RUP1/RDN1 RUP0/RDN0
LENGTH
SELECTED
(BITS)
0 0 0 1
0 0 1 2
0 1 0 3
0 1 1 4
1 0 0 5
1 0 1 6
1 1 0 7
1 1 1 16/8
TCD1 (0BH): TRANSMIT CODE DEFINITION REGISTER 1
(MSB) (LSB)
C7 C6 C5 C4 C3 C2 C1 C0
SYMBOL POSITION DESCRIPTION
C7 TCD1.7 Transmit Code Definition Bit 7. First bit of the repeating
pattern.
C6 TCD1.6
Transmit Code Definition Bit 6.
C5 TCD1.5
Transmit Code Definition Bit 5.
C4 TCD1.4
Transmit Code Definition Bit 4.
C3 TCD1.3
Transmit Code Definition Bit 3.
C2 TCD1.2 Transmit Code Definition Bit 2. A Don’t Care if a 5-bit
length is selected.
C1 TCD1.1 Transmit Code Definition Bit 1. A Don’t Care if a 5 or 6 bit
length is selected.
C0 TCD1.0 Transmit Code Definition Bit 0. A Don’t Care if a 5, 6 or 7
bit length is selected.