參數(shù)資料
型號: MPC852TVR66A
廠商: Freescale Semiconductor
文件頁數(shù): 10/80頁
文件大小: 0K
描述: IC MPU POWERQUICC 66MHZ 256PBGA
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
MPC852T PowerQUICC Hardware Specifications, Rev. 4
18
Freescale Semiconductor
Bus Signal Timing
B29b
CS negated to D(0:31), DP(0:3), High Z
GPCM write access, ACS = 00,
TRLX = 0,1 and CSNT = 0
(MIN = 0.25
× B1 – 2.00)
5.60
4.30
3.00
1.80
ns
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)8
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)8
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 9 (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
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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