參數(shù)資料
型號: MC68307FG
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 25/34頁
文件大?。?/td> 354K
代理商: MC68307FG
MOTOROLA
MC68307 TECHNICAL INFORMATION
31
PRELIMINARY M-BUS INTERFACE INPUT SIGNAL TIMING
(VCC = 5.0V ± 0.5V or 3.3Vdc ± 0.3V; GND = 0Vdc; TA = TL to TH) (See Figure 19)
Num
Characteristic
3.3V
5V
Unit
8 MHz
16.67 MHz
Min
Max
Min
Max
1
Start condition hold time
2—2—
Clk
2
Clock low period
4.7
4.7
Clk
3
SDA/SCL rise time
—2—1
s
4
Data hold time
0—0—
Clk
5
SDA/SCL fall time
600
300
ns
6
Clock high period
4—4—
Clk
7
Data setup time
500
250
s
8
Start condition setup time (for repeated start condition only)
2—2—
Clk
9
Stop condition setup time
2—2—
Clk
PRELIMINARY M-BUS INTERFACE OUTPUT SIGNAL TIMING
(VCC = 5.0V ± 0.5V or 3.3Vdc ± 0.3V; GND = 0Vdc; TA = TL to TH) (See Figure 19)
Num
Characteristic
3.3V
5V
Unit
8 MHz
16.67 MHz
Min
Max
Min
Max
1
Start condition hold time
8—8—
Clk
2
Clock low period
11
11
Clk
3
SDA/SCL rise time
—2—1
s
4
Data hold time
0202
Clk
5
SDA/SCL fall time
600
300
ns
6
Clock high period
11
11
Clk
7
Data setup time
(Spec
2) x Clk
(Spec
2) x Clk
—ns
8
Start condition setup time (for repeated start condition only)
20
10
Clk
9
Stop condition setup time
20
10
Clk
Figure 19. M-Bus Interface Input/Output Signal Timing
5
SDA
SCL
9
8
7
6
3
2
4
1
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