MC68306FC16 Datasheet, PDF (181/191 Pages) Motorola, Inc – Integrated EC000 Processor

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