參數(shù)資料
型號(hào): MPC853TZT66A
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 10/88頁(yè)
文件大小: 0K
描述: IC MPU PWRQUICC 66MHZ 256-PBGA
標(biāo)準(zhǔn)包裝: 60
系列: MPC8xx
處理器類型: 32-位 MPC8xx PowerQUICC
速度: 66MHz
電壓: 1.8V
安裝類型: 表面貼裝
封裝/外殼: 256-BGA
供應(yīng)商設(shè)備封裝: 256-PBGA(23x23)
包裝: 托盤
MPC853T Hardware Specification, Rev. 1
18
Freescale Semiconductor
Bus Signal Timing
B29c CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0,
CSNT = 1, ACS = 10, or ACS = 11
EBDF = 0 (MIN = 0.50
× B1 – 2.00)
13.20
10.50
8.00
5.60
ns
B29d WE(0:3)/BS_B[0:3] negated to D(0:31),
DP(0:3) High-Z GPCM write access,
TRLX = 1, CSNT =1, EBDF=0
(MIN = 1.50
× B1 – 2.00)
43.50
35.50
28.00
20.70
ns
B29e CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1,
CSNT = 1, ACS = 10, or ACS = 11
EBDF = 0 (MIN = 1.50
× B1 – 2.00)
43.50
35.50
28.00
20.70
ns
B29f WE(0:3/BS_B[0:3]) negated to D(0:31),
DP(0:3) High-Z GPCM write access,
TRLX = 0, CSNT =1, EBDF=1
(MIN = 0.375
× B1 – 6.30)
5.00
3.00
1.10
0.00
ns
B29g CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0,
CSNT = 1 ACS = 10 or ACS = 11,
EBDF = 1 (MIN = 0.375
× B1–6.30)
5.00
3.00
1.10
0.00
ns
B29h WE(0:3)/BS_B[0:3] negated to D(0:31),
DP(0:3) High-Z GPCM write access,
TRLX = 1, CSNT =1, EBDF=1
(MIN = 0.375
× B1 – 3.30)
38.40
31.10
24.20
17.50
ns
B29i
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1,
CSNT = 1, ACS = 10 or ACS = 11,
EBDF = 1 (MIN = 0.375
× B1–3.30)
38.40
31.10
24.20
17.50
ns
B30
CS, WE(0:3)/BS_B[0:3] negated to
A(0:31), BADDR(28:30) invalid GPCM
write access 8 (MIN = 0.25
× B1–2.00)
5.60
4.30
3.00
1.80
ns
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
× 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
× B1 – 2.00)
43.50
35.50
28.00
20.70
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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