TIMING (See Figure 8-1" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MC68306FC16B
寤犲晢锛� Freescale Semiconductor
鏂囦欢闋佹暩(sh霉)锛� 92/191闋�
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绯诲垪锛� M683xx
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閫熷害锛� 16MHz
闆诲锛� 5V
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灏佽/澶栨锛� 132-BQFP 绶╂矕寮�
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MOTOROLA
MC68306 USER'S MANUAL
8- 17
8.14 AC ELECTRICAL CHARACTERISTICS鈥擨NTERRUPT RESET
TIMING (See Figure 8-14 and Note)
Characteristic
Symbol
Min
Max
Unit
OP3 High (When Used as Counter Interrupt) from LDS Negated
After Stop Counter Command
tIR
鈥�
100
ns
NOTE: Test conditions for interrupt output: CL = 50 pF, RL = 2 k to VCC.
t
IR
LDS
OP3
*
* When used as counter interrupt output.
Figure 8-14. Interrupt Reset Timing
8.15 AC ELECTRICAL CHARACTERISTICS鈥擳RANSMITTER TIMING
(See Figure 8-15 and Note)
Characteristic
Symbol
Min
Max
Unit
TxD Output Valid from TxC Low
tTxD
鈥�
100
ns
CTS Input Setup to Tx Clock High *
tCS
30
鈥�
ns
CTS Input Hold from Tx Clock High *
tCH
30
鈥�
ns
RTS Output Valid from Tx Clock
tTRD
鈥�
100
ns
* CTS is an asynchronous input. This specification is only provided to guarantee CTS recognition on a particular Tx clock
edge.
Tx CLOCK SOURCE
(X1 OR IP2)
TxD
t
TxD
1 BIT TIME
OP0, OP1
WHEN USED
AS TxRTS
t
TRD
tCS
IP0, IP1
WHEN USED
AS CTS
t
TxD
t CH
Figure 8-15. Transmit Timing
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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