MPC857DSL Motorola, MPC857DSL Datasheet - Page 16

• Manufacturer Part Number: MPC857DSL
• Description: (MPC857 / MPC862) Hardware Specifications
• Manufacturer: Motorola

Bus Signal Timing
Bus Signal Timing
16
Num
B5
B1a EXTCLK to CLKOUT phase skew
B1b EXTCLK to CLKOUT phase skew
B1d CLKOUT phase jitter
B1e CLKOUT frequency jitter (MF < 10)
B1g CLKOUT frequency jitter (MF > 500)
B1h Frequency jitter on EXTCLK
B7a CLKOUT to TSIZ(0:1), REG, RSV,
B7b CLKOUT to BR, BG, FRZ, VFLS(0:1),
B8a CLKOUT to TSIZ(0:1), REG, RSV,
B8b CLKOUT to BR, BG, VFLS(0:1),
B1c CLKOUT phase jitter (EXTCLK > 15
B1f
B1
B2
B3
B4
B7
B8
33
CLKOUT period
(EXTCLK > 15 MHz and MF <= 2)
(EXTCLK > 10 MHz and MF < 10)
MHz and MF <= 2)
CLKOUT frequency jitter (10 < MF <
500)
CLKOUT pulse width low (MIN = 0.040
x B1)
CLKOUT width high (MIN = 0.040 x
B1)
CLKOUT rise time
+ 4.00)
CLKOUT fall time
4.00)
CLKOUT to A(0:31), BADDR(28:30),
RD/WR, BURST, D(0:31), DP(0:3)
invalid (MIN = 0.25 x B1)
AT(0:3), BDIP, PTR invalid (MIN = 0.25
x B1)
VF(0:2) IWP(0:2), LWP(0:1), STS
invalid
CLKOUT to A(0:31), BADDR(28:30)
RD/WR, BURST, D(0:31), DP(0:3)
valid (MAX = 0.25 x B1 + 6.3)
AT(0:3) BDIP, PTR valid (MAX = 0.25 x
B1 + 6.3)
VF(0:2), IWP(0:2), FRZ, LWP(0:1),
STS Valid
1
4
(MIN = 0.25 x B1)
4
Characteristic
(MAX = 0.25 x B1 + 6.3)
3
3
(MAX = 0.00 x B1 +
1
(MAX = 0.00 x B1
1
MPC862/857T/857DSL Hardware Specifications
Freescale Semiconductor, Inc.
For More Information On This Product,
2
Table 7. Bus Operation Timings
1
Go to: www.freescale.com
1
30.30
12.10
12.10
-0.90
-2.30
-0.60
-2.00
7.60
7.60
7.60
7.60
7.60
7.60
Min
—
—
—
—
—
—
33 MHz
30.30
13.80
13.80
13.80
Max
0.90
2.30
0.60
2.00
0.50
2.00
3.00
0.50
4.00
4.00
—
—
—
—
—
25.00
10.00
10.00
-0.90
-2.30
-0.60
-2.00
6.30
6.30
6.30
6.30
6.30
6.30
Min
—
—
—
—
—
—
40 MHz
30.30
12.50
12.50
12.50
Max
0.90
2.30
0.60
2.00
0.50
2.00
3.00
0.50
4.00
4.00
—
—
—
—
—
20.00
-0.90
-2.30
-0.60
-2.00
8.00
8.00
5.00
5.00
5.00
5.00
5.00
5.00
Min
—
—
—
—
—
—
50 MHz
30.30
11.30
11.30
11.30
Max
0.90
2.30
0.60
2.00
0.50
2.00
3.00
0.50
4.00
4.00
—
—
—
—
—
15.15
-0.90
-2.30
-0.60
-2.00
6.10
6.10
3.80
3.80
3.80
3.80
3.80
3.80
Min
—
—
—
—
—
—
66 MHz
MOTOROLA
30.30
10.00
10.00
10.00
Max
0.90
2.30
0.60
2.00
0.50
2.00
3.00
0.50
4.00
4.00
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%