mc68307ad Freescale Semiconductor, Inc, mc68307ad Datasheet - Page 30

• Manufacturer Part Number: mc68307ad
• Description: Integrated Multiple-bus Processor
• Manufacturer: Freescale Semiconductor, Inc

PRELIMINARY UART ELECTRICAL SPECIFICATIONS
30
(V
Num
CC
1
2
3
= 5.0V
TxD output valid from TxC low
RxD data setup time to RxC high
RxD data hold time from RxC high
0.5V or 3.3Vdc
Clock 1X
Clock
TxD
RxD
0.3V; GND = 0Vdc; T
Characteristic
MC68307 TECHNICAL INFORMATION
Figure 17. Transmitter Timing
Figure 18. Receiver Timing
1
(1 or 16 clocks)
1 bit time
A
= T
L
to T
2
H
) (See Figures 17 and 18)
3
Min
480
400
—
8 MHz
3.3V
Max
700
—
—
Min
240
200
—
16.67 MHz
5V
Max
350
—
—
MOTOROLA
Unit
ns
ns
ns