Z8L18220FSG Zilog, Z8L18220FSG Datasheet - Page 20
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Z8L18220FSG
Manufacturer Part Number
Z8L18220FSG
Description
IC 20MHZ STATIC MIMIC 100-QFP
Manufacturer
Zilog
Datasheet
1.Z8018233FSG.pdf
(109 pages)
Specifications of Z8L18220FSG
Processor Type
Z180
Features
Smart Peripheral Controller
Speed
20MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-QFP
Processor Series
Z8L18x
Core
Z80
Data Bus Width
8 bit
Program Memory Type
ROMLess
Interface Type
UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
24
Number Of Timers
2
Operating Supply Voltage
0 V to 3.3 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Zilog
Z85230 ESCC
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.
3-20
Databus
Control
Channel A
™
Exploded View
BLOCK DIAGRAM
Interrupt
Control
Bus Interface
CPU & DMA
/INTACK
/INT
IEO
IEI
* 8 bytes each
Rec. Status*
SDLC Frame Status FIFO
Phase-Locked
FIFO
Transmit FIFO
Digital
Receive and Transmit Clock Multipexer
Loop
Figure 5. ESCC Block Diagram
4 Bytes
P R E L I M I N A R Y
PS009801-0301
10 x 19
Modem/Control Logic
Interrupt
Internal
Control
Control
Logic
Logic
Rec. Data*
Receive Logic
Transmit Logic
FIFO
Baud Rate
Generator
Data Encoding & CRC
Transmit MUX
Channel A
Channel B
Generation
Sync Character
Data Decode &
Register
Register
Receive MUX
CRC Checker,
Detection
Oscillator
Amplifier
Crystal
Channel A
Channel B
TxDA
/TRxCA
/RTxCA
/CTSA
/DCDA
/SYNCA
/RTSA
/DTRA//REQA
RxDA
Z
ILOG
I
NTELLIGENT
DS971820600
Z80182/Z8L182
P
ERIPHERAL