z8f0813 ZiLOG Semiconductor, z8f0813 Datasheet - Page 216

• Manufacturer Part Number: z8f0813
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS024314-0308
(Output)
(Output)
TXD
(Input)
CTS
DE
UART Timing
Table 130. UART Timing With CTS
Parameter
UART
T
T
T
1
2
3
Figure 32
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
and
Table 130
stop
Figure 32. UART Timing With CTS
end of
stop bit(s)
T3
provide timing information for UART pins for the case where
T1
2 * XIN
± 5
Minimum
period
Z8 Encore! XP
T2
Delay (ns)
Product Specification
2 * XIN period
+ 1 bit time
start
Electrical Characteristics
Maximum
®
F0823 Series
bit 0
bit 1
206