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: 10/72页
文件大小: 1210K
代理商: MPC852TVR80
18
MPC852T Hardware Specifications
MOTOROLA
Bus Signal Timing
B30a WE(0:3)/BS_B[0:3] negated to
A(0:31), BADDR(28:30) Invalid
GPCM, write access, TRLX = 0,
CSNT = 1, CS negated to A(0:31)
invalid 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
B30b WE(0:3)/BS_B[0:3] negated to
A(0:31) Invalid GPCM BADDR(28:30)
invalid GPCM write access, TRLX =
1, CSNT = 1. CS negated to A(0:31)
Invalid 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
B30c WE(0:3)/BS_B[0:3] negated to
A(0:31), BADDR(28:30) invalid
GPCM write access, TRLX = 0, CSNT
= 1. CS negated to A(0:31) invalid
GPCM write access, TRLX = 0, CSNT
= 1 ACS = 10, ACS == 11, EBDF = 1
(MIN = 0.375 x B1 - 3.00)
8.40
6.40
4.50
2.70
ns
B30d WE(0:3)/BS_B[0:3] negated to
A(0:31), BADDR(28:30) invalid
GPCM write access TRLX = 1, CSNT
=1, CS negated to A(0:31) invalid
GPCM write access TRLX = 1, CSNT
= 1, ACS = 10 or 11, EBDF = 1
38.67
31.38
24.50
17.83
ns
B31
CLKOUT falling edge to CS valid - as
requested by control bit CST4 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
B31a CLKOUT falling edge to CS valid - as
requested by control bit CST1 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
B31b CLKOUT rising edge to CS valid - as
requested by control bit CST2 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
B31c CLKOUT rising edge to CS valid- as
requested by control bit CST3 in the
corresponding word in the UPM (MAX
= 0.25 x B1 + 6.30)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
B31d CLKOUT falling edge to CS valid, as
requested by control bit CST1 in the
corresponding word in the UPM
EBDF = 1 (MAX = 0.375 x B1 + 6.6)
13.30
18.00
11.30
16.00
9.40
14.10
7.60
12.30
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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