参数资料
型号: MPC870ZT133
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 133 MHz, RISC PROCESSOR, PBGA256
封装: 23 X 23 MM, PLASTIC, BGA-256
文件页数: 15/84页
文件大小: 1352K
代理商: MPC870ZT133
22
MPC875/MPC870 Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Bus Signal Timing
B33
CLKOUT falling edge to GPL valid, as
requested by control bit GxT4 in the
corresponding word in the UPM
(MAX = 0.00
× B1 + 6.00)
1.50
6.00
1.50
6.00
1.50
6.00
1.50
6.00
ns
B33a
CLKOUT rising edge to GPL valid, as
requested by control bit GxT3 in the
corresponding word in the UPM
(MAX = 0.25
× B1 + 6.80)
7.60
14.30
6.30
13.00
3.80
10.50
3.13
10.00
ns
B34
A(0:31), BADDR(28:30), and D(0:31) to
CS valid, as requested by control bit CST4
in the corresponding word in the UPM
(MIN = 0.25
× B1 - 2.00)
5.60
4.30
1.80
1.13
ns
B34a
A(0:31), BADDR(28:30), and D(0:31) to
CS valid, as requested by control bit CST1
in the corresponding word in the UPM
(MIN = 0.50
× B1 – 2.00)
13.20
10.50
5.60
4.25
ns
B34b
A(0:31), BADDR(28:30), and D(0:31) to
CS valid, as requested by CST2 in the
corresponding word in UPM
(MIN = 0.75
× B1 – 2.00)
20.70
16.70
9.40
6.80
ns
B35
A(0:31), BADDR(28:30) to CS valid, as
requested by control bit BST4 in the
corresponding word in the UPM
(MIN = 0.25
× B1 – 2.00)
5.60
4.30
1.80
1.13
ns
B35a
A(0:31), BADDR(28:30), and D(0:31) to
BS valid, as requested by BST1 in the
corresponding word in the UPM
(MIN = 0.50
× B1 – 2.00)
13.20
10.50
5.60
4.25
ns
B35b
A(0:31), BADDR(28:30), and D(0:31) to
BS valid, as requested by control bit BST2
in the corresponding word in the UPM
(MIN = 0.75
× B1 – 2.00)
20.70
16.70
9.40
7.40
ns
B36
A(0:31), BADDR(28:30), and D(0:31) to
GPL valid, as requested by control bit
GxT4 in the corresponding word in the
UPM (MIN = 0.25
× B1 – 2.00)
5.60
4.30
1.80
1.13
ns
B37
UPWAIT valid to CLKOUT falling edge 8
(MIN = 0.00
× B1 + 6.00)
6.00
6.00
6.00
6.00
ns
B38
CLKOUT falling edge to UPWAIT valid 8
(MIN = 0.00
× B1 + 1.00)
1.00
1.00
1.00
1.00
ns
B39
AS valid to CLKOUT rising edge 9
(MIN = 0.00
× B1 + 7.00)
7.00
7.00
7.00
7.00
ns
B40
A(0:31), TSIZ(0:1), RD/WR, BURST, valid
to CLKOUT rising edge
(MIN = 0.00
× B1 + 7.00)
7.00
7.00
7.00
7.00
ns
Table 10. Bus Operation Timings (continued)
Num
Characteristic
33 MHz
40 MHz
66 MHz
80 MHz
Unit
Min
Max
Min
Max
Min
Max
Min
Max
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