Z8523316VSG Datasheet, PDF (3/4 Pages) Zilog, Inc. – EMSCC™ Enhanced Mono Serial Communication Controller

Z85233 EMSCC™ Enhanced Mono Serial Communication Controller
T rans mit Logic
Transmit
Buffer
Transmit MUX
Data Encoding & CRC
Generation
Receive and Transmit Clock Multipexer
Digital
Phase-Locked
Loop
Baud Rate
Generator
Crystal
Oscillator
Amplifier
Modem/C ontrol Logic
R eceive Logic
Rec. Status Rec. Data
FIFO 3 Byte FIFO 3 Byte
Receive MUX
SDLC Frame Status FIFO
10 x 19
CRC Checker,
Data Decode &
Sync Character
Detection
T xDA
/T R xC A
/R T xC A
/C T S A
/DC DA
/S Y NC A
/R T S A
/DT R A//R E QA
R xDA
Figure 2. Channel A Exploded View
PB005802-0608
Page 3 of 4