參數(shù)資料
型號: MPC852TVR50A
廠商: Freescale Semiconductor
文件頁數(shù): 8/80頁
文件大?。?/td> 0K
描述: IC MPU POWERQUICC 50MHZ 256PBGA
標準包裝: 60
系列: MPC8xx
處理器類型: 32-位 MPC8xx PowerQUICC
速度: 50MHz
電壓: 1.8V
安裝類型: 表面貼裝
封裝/外殼: 256-BGA
供應商設備封裝: 256-PBGA(23x23)
包裝: 托盤
MPC852T PowerQUICC Hardware Specifications, Rev. 4
16
Freescale Semiconductor
Bus Signal Timing
B15
CLKOUT to TEA High-Z
(MIN = 0.00
× 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
× 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
× 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 × 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
× B1 + 1.004)
1.00
1.00
1.00
2.00
ns
B17a
CLKOUT to KR, RETRY, CR valid (hold
time) (MIN = 0.00
× 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
× 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
× B1 + 1.006)
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
× 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
× 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
× 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
× 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
× 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
× 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
× 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
× 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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