Z8F6421AN00ZEM Zilog, Z8F6421AN00ZEM Datasheet - Page 249
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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
- Current page: 249 of 297
- Download datasheet (9Mb)
PS019921-0308
(Output)
(Output)
DE
TXD
Figure 56
Clear To Send input signal (CTS) is not 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. DE asserts after the UART Transmit Data Register has been
written. DE remains asserted for multiple characters as long as the Transmit Data register
is written with the next character before the current character has completed.
Table 121. UART Timing without CTS
Parameter Abbreviation
T
T
1
2
and
DE Assertion to TXD Falling Edge (Start)
Delay
End of Stop Bit(s) to DE Deassertion Delay 1 * XIN period 2 * XIN period
Table 121
Figure 56. UART Timing without CTS
T
1
Start
provide timing information for UART pins for the case where the
Bit 0
Bit 1
Z8 Encore! XP
Bit 7
1 Bit period
Minimum
Product Specification
Parity
Delay (ns)
Electrical Characteristics
®
Stop
Stop Bit(s)
F64XX Series
1 Bit period +
1 * XIN period
End of
Maximum
T
2
235
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