参数资料
型号: MC9328MXSCVP10R2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 100 MHz, MICROPROCESSOR, PBGA225
封装: 13 X 13 MM, ROHS COMPLIANT, PLASTIC, MAPBGA-225
文件页数: 13/68页
文件大小: 1335K
代理商: MC9328MXSCVP10R2
Functional Description and Application Information
MC9328MXS Technical Data, Rev. 2
20
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 14. 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 13. 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.MXS
9
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