參數(shù)資料
型號(hào): Z8018520FSC
廠商: ZILOG INC
元件分類: 微控制器/微處理器
英文描述: SMART PERIPHERAL CONTROLLERS
中文描述: MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 22/95頁(yè)
文件大小: 484K
代理商: Z8018520FSC
22
P R E L I M I N A R Y
Z80185/Z80195
S
MART
P
ERIPHERAL
C
ONTROLLERS
DS971850301
Zilog
1
φ
Port 2
Output
2
4
3
6
5
Control
Output
Control
Input
Port 2
Input
AC CHARACTERISTICS
(Continued)
Figure 20. P1284 Bidirectional Centronics Interface Timing
P1284 Bidirectional Centronics Interface Timing
No.
Parameter
Min
Max
Units
Notes
1
CLK High to Port 2 Output
12
ns
2
CLK High to Control Output
12
ns
[1]
3
Setup Time for Control Input to
CLK High for Guaranteed Recognition
10
ns
[2]
4
Hold Time for Control Input from
CLK High for Guaranteed Recognition
5
ns
[2]
5
Setup Time for Port 2 Inputs to
CLK High for Guaranteed Recognition
10
ns
6
Hold Time for Port 2 Inputs to
CLK High for Guaranteed Recognition
5
ns
Notes:
[1]
Control Outputs
Peripheral Mode
Host Mode
Busy/PtrBusy/PeriphAck
nAck/PtrClk/PeriphClk
PError/AckDataReq/nAckReverse
nFault/nDataAvail/nPeriphRequest
Select/Xflag
nStrobe/HostClk
nAutoFd/HostBusy/HostAck
nSelectIn/P1284Active
nInit/nReverseRequest
[
2]
Control Inputs
Host Mode
Peripheral Mode
Busy/PtrBusy/PeriphAck
nAck/PtrClk/PeriphClk
PError/AckDataReq/nAckReverse
nFault/nDataAvail/nPeriphRequest
Select/Xflag
nStrobe/HostClk
nAutoFd/HostBusy/HostAck
nSelectIn/P1284Active
nInit/nReverseRequest
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