參數(shù)資料
型號: MPC852TZT80
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 80 MHz, RISC PROCESSOR, PBGA256
封裝: PLASTIC, BGA-256
文件頁數(shù): 7/80頁
文件大?。?/td> 2070K
代理商: MPC852TZT80
MPC852T Hardware Specifications, Rev. 3.1
Freescale Semiconductor
15
Bus Signal Timing
B13a CLKOUT to TA, BI High-Z (when driven by the
memory controller or PCMCIA interface) (MIN
= 0.00 x B1 + 2.5)
2.50
15.00
2.50
15.00
2.50
15.00
2.50
15.00
ns
B14
CLKOUT to TEA assertion (MAX = 0.00 x B1 +
9.00)
2.50
9.00
2.50
9.00
2.50
9.00
2.50
9.00
ns
B15
CLKOUT to TEA High-Z (MIN = 0.00 x B1 +
2.50)
2.50
15.00
2.50
15.00
2.50
15.00
2.50
15.00
ns
B16
TA, BI valid to CLKOUT (setup time) (MIN =
0.00 x B1 + 6.00)
6.00
6.00
6.00
6.00
ns
B16a TEA, KR, RETRY, CR valid to CLKOUT (setup
time) (MIN = 0.00 x B1 + 4.5)
4.50
4.50
4.50
4.50
ns
B16b BB, BG, BR, valid to CLKOUT (setup time) 3
(4MIN = 0.00 x B1 +.000)
4.00
4.00
4.00
4.00
ns
B17
CLKOUT to TA, TEA, BI, BB, BG, BR valid
(hold time) (MIN = 0.00 x B1 + 1.00 4)
1.00
1.00
1.00
2.00
ns
B17a CLKOUT to KR, RETRY, CR valid (hold time)
(MIN = 0.00 x B1 + 2.00)
2.00
2.00
2.00
2.00
ns
B18
D(0:31), DP(0:3) valid to CLKOUT rising edge
(setup time) 5 (MIN = 0.00 x B1 + 6.00)
6.00
6.00
6.00
6.00
ns
B19
CLKOUT rising edge to D(0:31), DP(0:3) valid
(hold time) 5 (MIN = 0.00 x B1 + 1.00 6)
1.00
1.00
1.00
2.00
ns
B20
D(0:31), DP(0:3) valid to CLKOUT falling edge
(setup time) 7(MIN = 0.00 x B1 + 4.00)
4.00
4.00
4.00
4.00
ns
B21
CLKOUT falling edge to D(0:31), DP(0:3) valid
(hold Time) 7 (MIN = 0.00 x B1 + 2.00)
2.00
2.00
2.00
2.00
ns
B22
CLKOUT rising edge to CS asserted GPCM
ACS = 00 (MAX = 0.25 x B1 + 6.3)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
B22a CLKOUT falling edge to CS asserted GPCM
ACS = 10, TRLX = 0 (MAX = 0.00 x B1 + 8.00)
8.00
8.00
8.00
8.00
ns
B22b CLKOUT falling edge to CS asserted GPCM
ACS = 11, TRLX = 0, EBDF = 0 (MAX = 0.25 x
B1 + 6.3)
7.60
13.80
6.30
12.50
5.00
11.30
3.80
10.00
ns
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
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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