Z8F6421AN00ZEM Zilog, Z8F6421AN00ZEM Datasheet - Page 248
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Z8F6421AN00ZEM
Manufacturer Part Number
Z8F6421AN00ZEM
Description
KIT ICE Z8 ENCORE 64K 44LQFP
Manufacturer
Zilog
Series
Z8 Encore!®r
Type
In-Circuit Emulator Systemr
Specifications of Z8F6421AN00ZEM
Contents
Emulator Board, Cables, Software and Documentation
For Use With/related Products
Z8 Encore! 44-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3392
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- Download datasheet (9Mb)
PS019921-0308
(Output)
(Input)
(Output)
CTS
DE
TXD
UART Timing
Figure 55
Clear To Send input pin (CTS) is used for flow control. In this example, it is assumed that
the Driver Enable polarity has been configured to be Active Low and is represented here
by DE. The CTS to DE assertion delay (T1) assumes the UART Transmit Data register has
been loaded with data prior to CTS assertion.
Table 120. UART Timing with CTS
Parameter Abbreviation
T
T
T
1
2
3
T
1
and
CTS Fall to DE Assertion Delay
DE Assertion to TXD Falling Edge (Start)
Delay
End of Stop Bit(s) to DE Deassertion Delay
Table 120
T
2
Figure 55. UART Timing with CTS
Start
provide timing information for UART pins for the case where the
Bit 0
Bit 1
Z8 Encore! XP
Bit 7
2 * XIN period 2 * XIN period
1 Bit period
1 * XIN period 2 * XIN period
Minimum
Parity
Product Specification
Electrical Characteristics
Delay (ns)
Stop
®
Stop Bit(s)
End of
F64XX Series
+ 1 Bit period
1 Bit period +
1 * XIN period
Maximum
T
3
234
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