參數(shù)資料
型號(hào): MC9328MX21DVK
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, MICROPROCESSOR, PBGA289
封裝: 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, PLASTIC, MAPBGA-289
文件頁數(shù): 44/100頁
文件大?。?/td> 1979K
代理商: MC9328MX21DVK
MC9328MX21 Technical Data, Rev. 3.4
48
Freescale Semiconductor
Specifications
Figure 39. SDRAM Write Cycle Timing Diagram
4S
Address setup time
3.67
2
ns
4H
Address hold time
2.95
2
ns
5
SDRAM access time (CL = 3)
5.4
5.4
ns
5
SDRAM access time (CL = 2)
6.0
6.0
ns
5
SDRAM access time (CL = 1)
ns
6
Data out hold time
2
2
–ns
7
Data out high-impedance time (CL = 3)
tHZ1
–tHZ1
ns
7
Data out high-impedance time (CL = 2)
tHZ1
–tHZ1
ns
7
Data out high-impedance time (CL = 1)
ns
8
Active to read/write command period (RC = 1)
tRCD2
–tRCD2
–ns
1. tHZ = SDRAM data out high-impedance time, external SDRAM memory device dependent parameter.
2. tRCD = SDRAM clock cycle time. The tRCD setting can be found in the i.MX21 reference manual.
Table 31. SDRAM Read Cycle Timing Parameter (Continued)
Ref
No.
Parameter
1.8 V
± 0.1 V
3.0 V
± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
SDCLK
CS
CAS
WE
RAS
ADDR
DQ
DQM
/ BA
ROW/BA
3
4
6
1
COL/BA
DATA
2
5
7
8
9
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9328MX21DVK 制造商:Freescale Semiconductor 功能描述:Microprocessor
MC9328MX21DVKR2 功能描述:處理器 - 專門應(yīng)用 DB I.MX21 PB-FR RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MC9328MX21DVM 功能描述:處理器 - 專門應(yīng)用 DB I.MX21 17X17 PB-FR RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MC9328MX21DVMR2 功能描述:處理器 - 專門應(yīng)用 DB I.MX21 17X17 PB-FR RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MC9328MX21S 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:i.MX family of microprocessors 266 MHz