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: 9/72页
文件大小: 1210K
代理商: MPC852TVR80
MOTOROLA
MPC852T Hardware Specifications
17
Bus Signal Timing
B29
WE(0:3)/BS_B[0:3] negated to
D(0:31), DP(0:3) High-Z GPCM write
access, CSNT = 0, EBDF = 0 (MIN =
0.25 x B1 - 2.00)
5.60
4.30
3.00
1.80
ns
B29a WE(0:3)/BS_B[0:3] negated to
D(0:31), DP(0:3) High-Z GPCM write
access, TRLX = 0, CSNT = 1, EBDF =
0 (MIN = 0.50 x B1 - 2.00)
13.20
10.50
8.00
5.60
ns
B29b CS negated to D(0:31), DP(0:3), High
Z GPCM write access, ACS = 00,
TRLX = 0,1 & CSNT = 0 (MIN = 0.25
x B1 - 2.00)
5.60
4.30
3.00
1.80
ns
B29c CS negated to D(0:31), DP(0:3)
High-Z GPCM write access, TRLX =
0, CSNT = 1, ACS = 10, or ACS = 11
EBDF = 0 (MIN = 0.50 x B1 - 2.00)
13.20
10.50
8.00
5.60
ns
B29d WE(0:3)/BS_B[0:3] negated to
D(0:31), DP(0:3) High-Z GPCM write
access, TRLX = 1, CSNT = 1, EBDF =
0 (MIN = 1.50 x B1 - 2.00)
43.50
35.50
28.00
20.70
ns
B29e CS negated to D(0:31), DP(0:3)
High-Z GPCM write access, TRLX =
1, CSNT = 1, ACS = 10, or ACS = 11
EBDF = 0 (MIN = 1.50 x B1 - 2.00)
43.50
35.50
28.00
20.70
ns
B29f
WE(0:3/BS_B[0:3]) negated to
D(0:31), DP(0:3) High Z GPCM write
access, TRLX = 0, CSNT = 1, EBDF =
1 (MIN = 0.375 x B1 - 6.30)
5.00
3.00
1.10
0.00
ns
B29g CS negated to D(0:31), DP(0:3)
High-Z GPCM write access, TRLX =
0, CSNT = 1 ACS = 10 or ACS = 11,
EBDF = 1 (MIN = 0.375 x B1 - 6.30)
5.00
3.00
1.10
0.00
ns
B29h WE(0:3)/BS_B[0:3] negated to
D(0:31), DP(0:3) High Z GPCM write
access, TRLX = 1, CSNT = 1, EBDF =
1 (MIN = 0.375 x B1 - 3.30)
38.40
31.10
24.20
17.50
ns
B29i
CS negated to D(0:31), DP(0:3)
High-Z GPCM write access, TRLX =
1, CSNT = 1, ACS = 10 or ACS = 11,
EBDF = 1 (MIN = 0.375 x B1 - 3.30)
38.40
31.10
24.20
17.50
ns
B30
CS, WE(0:3)/BS_B[0:3] negated to
A(0:31), BADDR(28:30) Invalid
GPCM write access 8 (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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