參數(shù)資料
型號: MC68HC2681FN
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 58/88頁
文件大?。?/td> 726K
代理商: MC68HC2681FN
Electrical Specifications
MOTOROLA
MC68HC681 USER’S MANUAL
5-7
5
Figure 5-5. Interrupt Cycle Bus Timing
5.5.5 Port Timing
Figure 5-6. Port Timing
CHARACTERISTIC
SYMBOL
MIN
MAX
UNIT
Port Input Setup Time to CS Asserted
tPS
10
ns
Port 1nput Hold Time from CS Negated
tPH
0—
ns
Port Output Valid from CS Negated
tPD
400
ns
X1/CLK
D0-D7
* CS and IACK should not be asserted simultaneously.
DTACK
IACK*
IRQ
t CSC
t IAWL
t DH
tCSD
t DCR
t DD
tDAH
t DAT
t DF
t
PS
CS
OP7–OP0
IP0-IP5
OLD DATA
NEW DATA
CS
t
PD
t
PH
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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