参数资料
型号: DS21FT40N
厂商: DALLAS SEMICONDUCTOR
元件分类: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PBGA300
封装: BGA-300
文件页数: 21/87页
文件大小: 386K
代理商: DS21FT40N
DS21FT40
28 of 87
TCR2: TRANSMIT CONTROL REGISTER 2 (Address=13 Hex)
(MSB)
(LSB)
Sa8S
Sa7S
Sa6S
Sa5S
Sa4S
ODM
AEBE
PF
SYMBOLS
POSITION
NAME AND DESCRIPTION
Sa8S
TCR2.7
Sa8 Bit Select. Not applicable for DS21FT40.
Sa7S
TCR2.6
Sa7 Bit Select. Not applicable for DS21FT40.
Sa6S
TCR2.5
Sa6 Bit Select. Not applicable for DS21FT40.
Sa5S
TCR2.4
Sa5 Bit Select. Not applicable for DS21FT40.
Sa4S
TCR2.3
Sa4 Bit Select. Not applicable for DS21FT40.
ODM
TCR2.2
Output Data Mode.
0 = pulses at TPOSO and TNEGO are one full TCLKO period
wide
1 = pulses at TPOSO and TNEGO are 1/2 TCLKO period
wide
AEBE
TCR2.1
Automatic E–Bit Enable.
0 = E–bits not automatically set in the transmit direction
1 = E–bits automatically set in the transmit direction
PF
TCR2.0
Function of RLOS/LOTC Pin.
Not applicable for DS21FT40. Should be cleared to zero.
CCR1: COMMON CONTROL REGISTER 1 (Address=14 Hex)
(MSB)
(LSB)
FLB
THDB3
TG802
TCRC4
RSM
RHDB3
RG802
RCRC4
SYMBOLS
POSITION
NAME AND DESCRIPTION
FLB
CCR1.7
Framer Loopback.
0=loopback disabled
1=loopback enabled
THDB3
CCR1.6
Transmit HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled
TG802
CCR1.5
Transmit G.802 Enable. See Section 16 for details.
Not applicable for DS21FT40. Should be cleared to zero.
TCRC4
CCR1.4
Transmit CRC4 Enable.
0=CRC4 disabled
1=CRC4 enabled
RSM
CCR1.3
Receive Signaling Mode Select.
0=CAS signaling mode
1=CCS signaling mode
RHDB3
CCR1.2
Receive HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled
相关PDF资料
PDF描述
DS21FT40 DATACOM, FRAMER, PBGA300
DS21FT42 DATACOM, FRAMER, PBGA300
DS21FT42N DATACOM, FRAMER, PBGA300
DS21FF42 DATACOM, FRAMER, PBGA300
DS21FF42N DATACOM, FRAMER, PBGA300
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