Dual Mode CircLink™ Controller
Datasheet
1.3
Internal Block Diagram
nMUX nRWM W16 nSWAP
Others
Clock
nNSTCOUT
FLASHO
Micro-Controller bus
Memory Access Mediation Circuit
Register Access
Control Circuit
Mode Setting
Interrupt Status
Interrupt Mask
EC Command
Receive Mode(#01-#31)
Receive Flag(#01-#31)
Clock Master SID
Net. Standard Time
Alarm Setting
Receive SID
Search SID
MAX ID Setting (MAXID)
Node ID Setting (NID)
Page Size Setting (PS)
Data Rate Setting
PIN-INFO
ERR-INFO
Reset Circuit
CMI Encode
OSC
CMI Synchro
CMI Decode
Data Latch
TENT-ID Register
CONFIG Register
SETUP Registers
3Port HUB Circuit
RECON Timer
TX Signal
Generator
RX Synchro-
nous circuit
Data Latch
Shift Register
Page Register
Address Register
Diag. Register
Data Register H
Data Register L
Address
Multiplexer
Address pointer
Address Pointer
Buffer Memory
512B
512B
Improved ARCNET Protocol
Micro Sequencer
Working Registers
MAXID
NID
PS
CKP
nSTALONE
nDIAG
nHUBON
nCMIBYP
TXEN2 TXEN TXD RXIN2 RXIN
Figure 1 - TMC2074 Block Diagram
Revision 0.1 (03-29-06)
Page 8
SMSC TMC2074
DATASHEET
SMSC [ SMSC CORPORATION ]
