參數(shù)資料
型號: MPC823CVR66B2T
廠商: Freescale Semiconductor
文件頁數(shù): 36/70頁
文件大?。?/td> 0K
描述: IC MPU POWER QUICC I 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
配用: MPC823FADS-ND - KIT APPLICATION DEV 823 FAMILY
MPC823 ELECTRICAL SPECIFICATIONS
41
Table 9. IDMA Timing
NUM
CHARACTERISTIC
25MHZ
40MHZ
50MHZ
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
40
DREQ setup time to clock high
12
77
nsec
41
DREQ hold time from clock high
533
nsec
42
SDACK assertion delay from clock high
20
12
12
nsec
43
SDACK negation delay from clock low
20
12
12
nsec
44
SDACK negation delay from TA low
25
20
20
nsec
45
SDACK negation delay from clock high
20
15
15
nsec
46
TA assertion to falling edge of the clock
setup time
12
77
nsec
NOTE: Applies to external TA.
Figure 38. IDMA External Requests Timing Diagram
CLKOUT
DREQ
(INPUT)
(OUTPUT)
41
40
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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