mc68307ad Freescale Semiconductor, Inc, mc68307ad Datasheet - Page 31

• Manufacturer Part Number: mc68307ad
• Description: Integrated Multiple-bus Processor
• Manufacturer: Freescale Semiconductor, Inc

PRELIMINARY M-BUS INTERFACE INPUT SIGNAL TIMING
PRELIMINARY M-BUS INTERFACE OUTPUT SIGNAL TIMING
MOTOROLA
(V
(V
Num
Num
CC
CC
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
= 5.0V
= 5.0V
Start condition hold time
Clock low period
SDA/SCL rise time
Data hold time
SDA/SCL fall time
Clock high period
Data setup time
Start condition setup time (for repeated start condition only)
Stop condition setup time
Start condition hold time
Clock low period
SDA/SCL rise time
Data hold time
SDA/SCL fall time
Clock high period
Data setup time
Start condition setup time (for repeated start condition only)
Stop condition setup time
0.5V or 3.3Vdc
0.5V or 3.3Vdc
SDA
SCL
Figure 19. M-Bus Interface Input/Output Signal Timing
0.3V; GND = 0Vdc; T
0.3V; GND = 0Vdc; T
1
Characteristic
Characteristic
2
MC68307 TECHNICAL INFORMATION
3
4
5
A
A
7
= T
= T
6
L
L
to T
to T
H
H
) (See Figure 19)
) (See Figure 19)
8
2) x Clk
(Spec
Min
500
Min
4.7
11
11
20
20
—
—
—
—
2
0
4
2
2
8
0
8 MHz
8 MHz
9
3.3V
3.3V
Max
Max
600
600
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
2
2) x Clk
(Spec
Min
250
Min
4.7
11
11
10
10
—
—
—
—
16.67 MHz
16.67 MHz
2
0
4
2
2
8
0
5V
5V
Max
Max
300
300
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
2
Unit
Unit
Clk
Clk
Clk
Clk
Clk
Clk
Clk
Clk
Clk
Clk
Clk
Clk
ns
ns
ns
s
s
s
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