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Z80C3010VSC Datasheet(PDF) 46 Page - Zilog, Inc.

Part # Z80C3010VSC
Description  CMOS SCC SERIAL COMMUNICATIONS CONTROLLER
PDF  96 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z80C3010VSC Datasheet(HTML) 46 Page - Zilog, Inc.

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Over
Equal
Reset on Flag Detect
Increment on Byte Detection
Enable Count in SDLC
End of Frame Signal
Status Read Comp
Tail Pointer
4-Bit Counter
Head Pointer
4-Bit Counter
4-Bit Comparator
14 Bits
Byte Counter
Frame Status FIFO Circuitry
5 Bits
FIFO Array
10 Deep by 19 Bits Wide
SCC Status Reg
Residue Bits (3)
Overrun, CRC Error
RR1
5 Bits
EN
6 Bits
8 Bits
6-Bit MUX
2 Bits
EOF = 1
6 Bits
RR1
Bit 7 Bit 6
Bits 5-0
RR6
FIFO Enable
RR7 D5-D0 + RR6 D7-D0
Byte Counter Contains 14 bits
for a 16 KByte maximum count
RR7 D6
FIFO Data available status bit Status Bit set to 1
When reading from FIFO
RR7 D7
FIFO Overflow Status Bit
MSB pf RR(7) is set on Status FIFO overflow
WR(15) Bit 2
Set Enables
Status FIFO
In SDLC Mode the following definitions apply
– All Sent bypasses MUX and equals contents of SCC Status Register
– Parity Bits bypasses MUX and does the same
– EOF is set to 1 whenever reading from the FIFO
Interface
to SCC



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