參數(shù)資料
型號: MC9328MXLCVP15
廠商: Freescale Semiconductor
文件頁數(shù): 21/90頁
文件大?。?/td> 0K
描述: IC MCU I.MXL 150MHZ 225-MAPBGA
標準包裝: 160
系列: i.MXL
核心處理器: ARM9
芯體尺寸: 32-位
速度: 150MHz
連通性: EBI/EMI,I²C,MMC/SD,SPI,SSI,UART/USART,USB
外圍設備: DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數(shù): 97
程序存儲器類型: ROMless
電壓 - 電源 (Vcc/Vdd): 1.7 V ~ 3.3 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 225-LFBGA
包裝: 托盤
Functional Description and Application Information
MC9328MXL Technical Data, Rev. 8
28
Freescale Semiconductor
4.4.2.3
WAIT Write Cycle without DMA
Figure 8. WAIT Write Cycle without DMA
12
Wait pulse width
1T
1020T
ns
Note:
1. T is the system clock period. (For 96 MHz system clock, T=10.42 ns)
2. OE and EB assertion time is programmable by OEA bit in CS5L register. EB assertion in read cycle will occur only when
EBC bit in CS5L register is clear.
3. Address becomes valid and CS asserts at the start of read access cycle.
4. The external wait input requirement is eliminated when CS5 is programmed to use internal wait state.
Table 15. WAIT Write Cycle without DMA: WSC = 111111, DTACK_SEL=1, HCLK=96MHz
Number
Characteristic
3.0 ± 0.3 V
Unit
Minimum
Maximum
1CS5 assertion time
See note 2
ns
2EB assertion time
See note 2
ns
3CS5 pulse width
3T
ns
4RW negated before CS5 is negated
2.5T-3.63
2.5T-1.16
ns
5RW negated to Address inactive
64.22
ns
6
Wait asserted after CS5 asserted
1020T
ns
Table 14. DTACK WAIT Read Cycle DMA Enabled: WSC = 111111, DTACK_SEL=1, HCLK=96MHz (Continued)
Number
Characteristic
3.0 ± 0.3 V
Unit
Minimum
Maximum
OE
WAIT
Address
EB
CS5
RW
(logic high)
DATABUS
programmable
min 0ns
programmable
min 0ns
1
2
3
8
5
6
7
11
10
12
4
from i.MXL
9
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