參數(shù)資料
型號: MPC859DSLCVR50A
廠商: Freescale Semiconductor
文件頁數(shù): 11/96頁
文件大小: 0K
描述: IC MPU POWERQUICC 50MHZ 357PBGA
標(biāo)準(zhǔn)包裝: 44
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: 357-BBGA
供應(yīng)商設(shè)備封裝: 357-PBGA(25x25)
包裝: 托盤
MPC866/MPC859 Hardware Specifications, Rev. 2
Freescale Semiconductor
19
Bus Signal Timing
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
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)
asserted (MAX = 0.00 x B1 + 9.00)
9.00
9.00
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)
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)
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)
negated GPCM write access TRLX =
0, 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
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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