MPC860 Motorola, MPC860 Datasheet - Page 14
MPC860
Manufacturer Part Number
MPC860
Description
Family Hardware Specifications
Manufacturer
Motorola
Datasheet
1.MPC860.pdf
(76 pages)
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Bus Signal Timing
The timing for the MPC860 bus shown assumes a 50-pF load for maximum delays and a
0-pF load for minimum delays.
14
Num
B5
B1a
B1b
B1c
B1d
B1e
B1g
B1h
B7a
B7b
B8a
B8b
B1f
B1
B2
B3
B4
B7
B8
B9
33
CLKOUT period
EXTCLK to CLKOUT phase skew
(EXTCLK > 15 MHz and MF <= 2)
EXTCLK to CLKOUT phase skew
(EXTCLK > 10 MHz and MF < 10)
CLKOUT phase jitter (EXTCLK >
15 MHz and MF <= 2)
CLKOUT phase jitter
CLKOUT frequency jitter (MF < 10)
CLKOUT frequency jitter (10 < MF
< 500)
CLKOUT frequency jitter (MF > 500)
Frequency jitter on EXTCLK
CLKOUT pulse width low
CLKOUT width high
CLKOUT rise time
CLKOUT fall time
CLKOUT to A(0:31), BADDR(28:30),
RD/WR, BURST, D(0:31), DP(0:3)
invalid
CLKOUT to TSIZ(0:1), REG, RSV,
AT(0:3), BDIP, PTR invalid
CLKOUT to BR, BG, FRZ, VFLS(0:1),
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
CLKOUT to TSIZ(0:1), REG, RSV,
AT(0:3) BDIP, PTR valid
CLKOUT to BR, BG, VFLS(0:1),
VF(0:2), IWP(0:2), FRZ, LWP(0:1),
STS valid
CLKOUT to A(0:31), BADDR(28:30),
RD/WR, BURST, D(0:31), DP(0:3),
TSIZ(0:1), REG, RSV, AT(0:3), PTR
High-Z
1
4
4
Characteristic
3
3
1
1
MPC860 Family Hardware Specifications
Table 9-6. Bus Operation Timings
2
1
1
30.30
–0.90
–2.30
–0.60
–2.00
12.12
12.12
7.58
7.58
7.58
7.58
7.58
7.58
7.58
Min
—
—
—
—
—
—
33 MHz
30.30
14.33
14.33
14.33
14.33
Max
0.90
2.30
0.60
2.00
0.50
2.00
3.00
0.50
4.00
4.00
—
—
—
—
—
25.00
–0.90
–2.30
–0.60
–2.00
10.00
10.00
6.25
6.25
6.25
6.25
6.25
6.25
6.25
Min
—
—
—
—
—
—
40 MHz
30.30
13.00
13.00
13.00
13.00
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
5.00
Min
—
—
—
—
—
—
50 MHz
30.30
11.75
11.75
11.75
11.75
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
6.06
6.06
3.80
3.80
3.80
3.80
3.80
3.80
3.80
Min
—
—
—
—
—
—
66 MHz
MOTOROLA
30.30
10.04
10.04
10.04
10.04
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
ns
%
%
%
%