参数资料
型号: MC9328MXSVP10R2
厂商: Freescale Semiconductor
文件页数: 58/74页
文件大小: 0K
描述: IC MCU I.MXS 100MHZ 225-MAPBGA
标准包装: 1,000
系列: i.MXS
核心处理器: ARM9
芯体尺寸: 32-位
速度: 100MHz
连通性: EBI/EMI,I²C,SPI,SSI,UART/USART,USB
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 97
程序存储器类型: ROMless
电压 - 电源 (Vcc/Vdd): 1.7 V ~ 3.3 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 225-LFBGA
包装: 带卷 (TR)
Functional Description and Application Information
MC9328MXS Technical Data, Rev. 3
Freescale Semiconductor
61
Figure 45. SDRAM Refresh Timing Diagram
Table 24. SDRAM Write Timing Parameter Table
Ref No.
Parameter
1.8 ± 0.1 V
3.0 ± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
1
SDRAM clock high-level width
2.67
4
ns
2
SDRAM clock low-level width
6–4–
ns
3
SDRAM clock cycle time
11.4
10
ns
4
Address setup time
3.42
3
ns
5
Address hold time
2.28
2
ns
6
Precharge cycle period1
1 Precharge cycle timing is included in the write timing diagram.
tRP
2
2 t
RP and tRCD = SDRAM clock cycle time. These settings can be found in the MC9328MXS reference manual.
–tRP2
–ns
7
Active to read/write command delay
tRCD2
–tRCD2
–ns
8
Data setup time
4.0
2
ns
9
Data hold time
2.28
2
ns
SDCLK
CS
CAS
WE
RAS
ADDR
DQ
DQM
BA
3
4
6
1
2
5
7
ROW/BA
7
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