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: 8/72页
文件大小: 1210K
代理商: MPC852TVR80
16
MPC852T Hardware Specifications
MOTOROLA
Bus Signal Timing
B22c CLKOUT falling edge to CS asserted
GPCM ACS = 11, TRLX = 0, EBDF =
1 (MAX = 0.375 x B1 + 6.6)
10.90
18.00
10.90
16.00
7.00
14.10
5.20
12.30
ns
B23
CLKOUT rising edge to CS negated
GPCM read access, GPCM write
access ACS = 00, TRLX = 0 & CSNT
= 0 (MAX = 0.00 x B1 + 8.00)
2.00
8.00
2.00
8.00
2.00
8.00
2.00
8.00
ns
B24
A(0:31) and BADDR(28:30) to CS
asserted GPCM ACS = 10, TRLX = 0
(MIN = 0.25 x B1 - 2.00)
5.60
4.30
3.00
1.80
ns
B24a A(0:31) and BADDR(28:30) to CS
asserted GPCM ACS = 11 TRLX = 0
(MIN = 0.50 x B1 - 2.00)
13.20
10.50
8.00
5.60
ns
B25
CLKOUT rising edge to OE,
WE(0:3)/BS_B[0:3] asserted (MAX =
0.00 x B1 + 9.00)
9.00
ns
B26
CLKOUT rising edge to OE negated
(MAX = 0.00 x B1 + 9.00)
2.00
9.00
2.00
9.00
2.00
9.00
2.00
9.00
ns
B27
A(0:31) and BADDR(28:30) to CS
asserted GPCM ACS = 10, TRLX = 1
(MIN = 1.25 x B1 - 2.00)
35.90
29.30
23.00
16.90
ns
B27a A(0:31) and BADDR(28:30) to CS
asserted GPCM ACS = 11, TRLX = 1
(MIN = 1.50 x B1 - 2.00)
43.50
35.50
28.00
20.70
ns
B28
CLKOUT rising edge to
WE(0:3)/BS_B[0:3] negated GPCM
write access CSNT = 0 (MAX = 0.00 x
B1 + 9.00)
9.00
9.00
9.00
9.00
ns
B28a CLKOUT falling edge to
WE(0:3)/BS_B[0:3] negated GPCM
write access TRLX = 0,1 CSNT = 1,
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
B28b CLKOUT falling edge to CS negated
GPCM write access TRLX = 0,1
CSNT = 1 ACS = 10 or ACS = 11,
EBDF = 0 (MAX = 0.25 x B1 + 6.80)
14.30
13.00
11.80
10.50
ns
B28c CLKOUT falling edge to
WE(0:3)/BS_B[0:3] negated GPCM
write access TRLX = 0,1 CSNT = 1
write access TRLX = 0,1 CSNT = 1,
EBDF = 1 (MAX = 0.375 x B1 + 6.6)
10.90
18.00
10.90
18.00
7.00
14.30
5.20
12.30
ns
B28d CLKOUT falling edge to CS negated
GPCM write access TRLX = 0,1
CSNT = 1, ACS = 10, or ACS = 11,
EBDF = 1 (MAX = 0.375 x B1 + 6.6)
18.00
18.00
14.30
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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