參數(shù)資料
型號: MPC852T
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Hardware Specifications
中文描述: 硬件規(guī)格
文件頁數(shù): 14/80頁
文件大?。?/td> 3080K
代理商: MPC852T
MPC852T Hardware Specifications, Rev. 3.1
14
Freescale Semiconductor
Bus Signal Timing
B1d
CLKOUT phase jitter peak-to-peak
for OSCLK
15 MHz
4
4
4
4
ns
CLKOUT phase jitter peak-to-peak
for OSCLK < 15 MHz
5
5
5
5
ns
B2
CLKOUT pulse width low (MIN = 0.4 x B1, MAX
= 0.6 x B1)
12.1
18.2
10.0
15.0
8.0
12.0
6.1
9.1
ns
B3
CLKOUT pulse width high (MIN = 0.4 x B1,
MAX = 0.6 x B1)
12.1
18.2
10.0
15.0
8.0
12.0
6.1
9.1
ns
B4
CLKOUT rise time
4.00
4.00
4.00
4.00
ns
B5
CLKOUT fall time
4.00
4.00
4.00
4.00
ns
B7
CLKOUT to A(0:31), BADDR(28:30), RD/WR,
BURST, D(0:31), DP(0:3) output hold (MIN =
0.25 x B1)
7.60
6.30
5.00
3.80
ns
B7a
CLKOUT to TSIZ(0:1), REG, RSV, BDIP, PTR
output hold (MIN = 0.25 x B1)
7.60
6.30
5.00
3.80
ns
B7b
CLKOUT to BR, BG, FRZ, VFLS(0:1), VF(0:2)
IWP(0:2), LWP(0:1), STS output hold (MIN =
0.25 x B1)
7.60
6.30
5.00
3.80
ns
B8
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)
13.80
12.50
11.30
10.00
ns
B8a
CLKOUT to TSIZ(0:1), REG, RSV, BDIP, PTR
valid (MAX = 0.25 x B1 + 6.3)
13.80
12.50
11.30
10.00
ns
B8b
CLKOUT to BR, BG, VFLS(0:1), VF(0:2),
IWP(0:2), FRZ, LWP(0:1), STS Valid
3
(MAX =
0.25 x B1 + 6.3)
13.80
12.50
11.30
10.00
ns
B9
CLKOUT to A(0:31), BADDR(28:30), RD/WR,
BURST, D(0:31), DP(0:3), TSIZ(0:1), REG,
RSV, PTR High-Z (MAX = 0.25 x B1 + 6.3)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
B11
CLKOUT to TS, BB assertion (MAX = 0.25 x B1
+ 6.0)
7.60
13.60
6.30
12.30
5.00
11.00
3.80
9.80
ns
B11a CLKOUT to TA, BI assertion (when driven by
the memory controller or PCMCIA interface)
(MAX = 0.00 x B1 + 9.30
2
)
2.50
9.30
2.50
9.30
2.50
9.30
2.50
9.80
ns
B12
CLKOUT to TS, BB negation (MAX = 0.25 x B1
+ 4.8)
7.60
12.30
6.30
11.00
5.00
9.80
3.80
8.50
ns
B12a CLKOUT to TA, BI negation (when driven by
the memory controller or PCMCIA interface)
(MAX = 0.00 x B1 + 9.00)
2.50
9.00
2.50
9.00
2.50
9.00
2.50
9.00
ns
B13
CLKOUT to TS, BB High-Z (MIN = 0.25 x B1)
7.60
21.60
6.30
20.30
5.00
19.00
3.80
14.00
ns
Table 9. Bus Operation Timings (continued)
Num
Characteristic
33 MHz
40 MHz
50 MHz
66 MHz
Unit
Min
Max
Min
Max
Min
Max
Min
Max
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