Z8F6422AR020SC2104 Zilog, Z8F6422AR020SC2104 Datasheet - Page 248

• Manufacturer Part Number: Z8F6422AR020SC2104
• Description: IC ENCORE MCU FLASH 64K 64LQFP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F6422AR020SC2104

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-LQFP
• For Use With: 269-4678 - KIT DEV FOR Z8F642 MCU 44 PIN269-4677 - KIT DEV FOR Z8F642 MCU 28PIN269-4540 - KIT DEV FOR Z8 ENCORE 16K TO 64K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 269-3641

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