参数资料
型号: MPC852TVR80
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 80 MHz, RISC PROCESSOR, PBGA256
封装: PLASTIC, BGA-256
文件页数: 11/72页
文件大小: 1210K
代理商: MPC852TVR80
MOTOROLA
MPC852T Hardware Specifications
19
Bus Signal Timing
B32
CLKOUT falling edge to BS valid- as
requested by control bit BST4 in the
corresponding word in the UPM (MAX
= 0.00 x B1 + 6.00)
1.50
6.00
1.50
6.00
1.50
6.00
1.50
6.00
ns
B32a CLKOUT falling edge to BS valid - as
requested by control bit BST1 in the
corresponding word in the UPM,
EBDF = 0 (MAX = 0.25 x B1 + 6.80)
7.60
14.30
6.30
13.00
5.00
11.80
3.80
10.50
ns
B32b CLKOUT rising edge to BS valid - as
requested by control bit BST2 in the
corresponding word in the UPM (MAX
= 0.00 x B1 + 8.00)
1.50
8.00
1.50
8.00
1.50
8.00
1.50
8.00
ns
B32c CLKOUT rising edge to BS valid - as
requested by control bit BST3 in the
corresponding word in the UPM (MAX
= 0.25 x B1 + 6.80)
7.60
14.30
6.30
13.00
5.00
11.80
3.80
10.50
ns
B32d CLKOUT falling edge to BS valid- as
requested by control bit BST1 in the
corresponding word in the UPM,
EBDF = 1 (MAX = 0.375 x B1 + 6.60)
13.30
18.00
11.30
16.00
9.40
14.10
7.60
12.30
ns
B33
CLKOUT falling edge to GPL valid -
as requested by control bit GxT4 in
the corresponding word in the UPM
(MAX = 0.00 x 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 x B1 + 6.80)
7.60
14.30
6.30
13.00
5.00
11.80
3.80
10.50
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 x B1 - 2.00)
5.60
4.30
3.00
1.80
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 x B1 - 2.00)
13.20
10.50
8.00
5.60
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 x B1 - 2.00)
20.70
16.70
13.00
9.40
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 x B1 - 2.00)
5.60
4.30
3.00
1.80
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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