TMC2074-NU SMSC, TMC2074-NU Datasheet - Page 105

• Manufacturer Part Number: TMC2074-NU
• Description: IC CTRL CIRC 128VTQFP PERIPH MOD
• Manufacturer: SMSC
• Series: CircLink™r

Specifications of TMC2074-NU

• Controller Type: I/O Controller
• Interface: Transceiver
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 40mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1024

Dual Mode CircLink™ Controller
Datasheet
A-3 CMI Modem Configuration
SMSC TMC2074
NTXENIN
NRESET
ENABLE
NTXIN
NTXENIN
NRXIN
CLK
NRESET
ENABLE
NTXOUT
NTXENOUT
NRXOUT
*: CMI Code in Appendix A is stated as Positive Logic (Active High).
NRXIN
NTXIN
CLK
Input, Negative-Logic, ARCNET Controller PULSE1output
Input, Negative-Logic, ARCNET Controller TXEN output
Input, Negative-Logic, Line Receiver Reception output
Input, Start up detection, Same clock as ARCNET controller
Input, Negative-Logic, Reset Signal
Input, Positive-Logic, clock division signal in synchronizer
Output, Negative-Logic*,
Output, Negative-Logic,
Output, Negative-Logic,
Figure 18 - CMI Modem Block Diagram
ENABLE
NRXIN
CLK
NRESET
ENABLE
NTXIN
NTXENIN
CLK
NRESET
DATASHEET
CMITX
CMIRX
Input to Line Driver Data pin
Input to Line Driver TxEnable pin
Input to the ARCNET Controller RXIN pin
Page 105
NTXENOUT
NRXOUT
NTXOUT
NTXOUT
NTXENOUT
NRXOUT
Revision 0.2 (10-23-08)