參數(shù)資料
型號: Z80L182
廠商: ZiLOG, Inc.
英文描述: CAP .0001UF 50V POLYPROPYLENE
中文描述: ZiLOG的智能外設控制器(郵編⑩)
文件頁數(shù): 20/109頁
文件大?。?/td> 738K
代理商: Z80L182
3-20
Z80182/Z8L182
Z
ILOG
I
NTELLIGENT
P
ERIPHERAL
P R E L I M I N A R Y
Zilog
DS971820600
Transmit Logic
Channel A
Exploded View
Receive and Transmit Clock Multipexer
Transmit FIFO
4 Bytes
Transmit MUX
Data Encoding & CRC
Generation
Digital
Phase-Locked
Loop
Baud Rate
Generator
Crystal
Oscillator
Amplifier
Modem/Control Logic
Receive MUX
CRC Checker,
Data Decode &
Sync Character
Detection
Rec. Status*
FIFO
Rec. Data*
FIFO
SDLC Frame Status FIFO
10 x 19
Receive Logic
TxDA
/TRxCA
/RTxCA
/CTSA
/DCDA
/SYNCA
/RTSA
/DTRA//REQA
RxDA
Internal
Control
Logic
Channel A
Register
Channel B
Register
Interrupt
Control
Logic
CPU & DMA
Bus Interface
Databus
Control
Channel A
Channel B
/INT
/INTACK
IEI
IEO
Interrupt
Control
* 8 bytes each
Figure 5. ESCC Block Diagram
Z85230 ESCC
BLOCK DIAGRAM
For a detailed description of the Z85230 ESCC, refer to the ESCC Technical Manual. The following figure is the block
diagram of the discrete ESCC, which was integrated into the Z182. The /INT line is internally connected to "INTO of the
Z182.
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