Z8F082A28100KIT ZILOG [Zilog, Inc.], Z8F082A28100KIT Datasheet - Page 222

• Manufacturer Part Number: Z8F082A28100KIT
• Description: Z8 Encore XP-R F08xA Series with eXtended Peripherals
• Manufacturer: ZILOG [Zilog, Inc.]

PS024705-0405
(Output)
(Output)
TXD
(Input)
CTS
DE
UART Timing
Parameter
UART
T
T
T
1
2
3
Figure 35 and Table 130 provide timing information for UART pins for the case where
CTS is used for flow control. The CTS to DE assertion delay (T1) assumes the transmit
data register has been loaded with data prior to CTS assertion.
bit 7
Abbreviation
CTS Fall to DE output delay
DE assertion to TXD falling edge (start bit) delay ± 5
End of Stop Bit(s) to DE deassertion delay
parity
stop
Figure 35. UART Timing With CTS
Table 130. UART Timing With CTS
end of
stop bit(s)
T3
P R E L I M I N A R Y
T1
Z8 Encore! XP
2 * XIN
± 5
period
Minimum
T2
Delay (ns)
Product Specification
2 * XIN period
+ 1 bit time
start
Electrical Characteristics
Maximum
®
F08xA Series
bit 0
bit 1
204