MC68306 Motorola, MC68306 Datasheet - Page 181

• Manufacturer Part Number: MC68306
• Description: Integrated EC000 Processor
• Manufacturer: Motorola

8.14 AC ELECTRICAL CHARACTERISTICS—INTERRUPT RESET
TIMING
NOTE: Test conditions for interrupt output: C L = 50 pF, R L = 2 k to V CC .
8.15 AC ELECTRICAL CHARACTERISTICS—TRANSMITTER TIMING
(See Figure 8-15 and Note)
* CTS is an asynchronous input. This specification is only provided to guarantee CTS recognition on a particular Tx clock
MOTOROLA
edge.
OP3 High (When Used as Counter Interrupt) from LDS Negated
TxD Output Valid from TxC Low
CTS Input Setup to Tx Clock High *
CTS Input Hold from Tx Clock High *
RTS Output Valid from Tx Clock
After Stop Counter Command
(See Figure 8-14 and Note)
Tx CLOCK SOURCE
WHEN USED
*
LDS
(X1 OR IP2)
WHEN USED
OP3
When used as counter interrupt output.
AS TxRTS
OP0, OP1
*
AS CTS
IP0, IP1
TxD
Characteristic
Characteristic
Figure 8-14. Interrupt Reset Timing
Figure 8-15. Transmit Timing
MC68306 USER'S MANUAL
t
TxD
1 BIT TIME
t CS
t CH
t
Symbol
Symbol
TRD
t TRD
t TxD
t CS
t CH
t IR
t
TxD
t
IR
Min
Min
—
—
30
30
—
Max
Max
100
100
100
—
—
Unit
Unit
ns
ns
ns
ns
ns
8- 17