TMC2074-NU SMSC, TMC2074-NU Datasheet - Page 38
TMC2074-NU
Manufacturer Part Number
TMC2074-NU
Description
IC CTRL CIRC 128VTQFP PERIPH MOD
Manufacturer
SMSC
Series
CircLink™r
Datasheet
1.TMC2074-NU.pdf
(116 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TMC2074-NU
Manufacturer:
SMSC
Quantity:
897
Company:
Part Number:
TMC2074-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
TMC2074-NU
Manufacturer:
SMSC
Quantity:
20 000
Part Number:
TMC2074-NU-E3
Manufacturer:
SMSC
Quantity:
20 000
2.8
2.8.1
NOTE:
Revision 0.2 (10-23-08)
…
…
Sending in Peripheral Mode
To send data using CircLink, it is necessary to write data being transmitted in the packet buffer regardless
of the communication mode. For TX, the page corresponding to its node ID in the packet buffer is assigned
as the TX buffer. The CPU writes TX data on this page.
Example of Sending Control from CPU in Free Format Mode
(MODE REGISTER: TXM = 0)
The CPU manages all communication sequences such as "Packet preparation → Issuing TX CMD →
Handling interrupt after the end of TX".
When DID set to 00h, it becomes the broadcast packet.
1 Write to Packet
2 Transmit Command
3 Release Interrupt mask
4 Read Status
5 Interrupt Mask
CPU Side
( ): Not executed in the case of broadcast transmit.
…
…
DATASHEET
Interrupt occurre
Transmit Start
Page 38
Transmit End
TMC2074/72
TA = 1 --> 0
TA = 0 --> 1
(NID=n)
(FBE)
PAC
…
…
LAN Side
Token [DID=n]
(ACK)
(ACK)
Token [DID=n+1]
Dual Mode CircLink™ Controller
SMSC TMC2074
Datasheet