參數(shù)資料
型號： MC9328MX21CJM
廠商： Freescale Semiconductor
文件頁數(shù)： 46/100頁
文件大?。?/td> 0K
描述： MPU I.MX21 289-MAPBGA
特色產(chǎn)品： MC9328MX21 Multimedia Processor
標(biāo)準(zhǔn)包裝： 90
系列： i.MX21
核心處理器： ARM9
芯體尺寸： 32-位
速度： 266MHz
連通性： 1 線，EBI/EMI，I²C，IrDA，MMC，智能卡，SPI，SSI，UART/USART，USB OTG
外圍設(shè)備： DMA，I²S，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 192
程序存儲器類型： ROMless
電壓 - 電源 (Vcc/Vdd)： 1.45 V ~ 3.3 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 289-LFBGA
包裝： 托盤
產(chǎn)品目錄頁面： 732 (CN2011-ZH PDF)
Signal Descriptions
MC9328MX21 Technical Data, Rev. 3.4
Freescale Semiconductor
5
Memory Interface
— External Interface Module (EIM)
— SDRAM Controller (SDRAMC)
— NAND Flash Controller (NFC)
— PCMCIA/CF Interface
Standard System Resources
— Clock Generation Module (CGM) and Power Control Module
— Three General-Purpose 32-Bit Counters/Timers
— Watchdog Timer
— Real-Time Clock/Sampling Timer (RTC)
— Pulse-Width Modulator (PWM) Module
— Direct Memory Access Controller (DMAC)
— General-Purpose I/O (GPIO) Ports
— Debug Capability
2
Signal Descriptions
Table 2 identifies and describes the i.MX21 signals. Pin assignment is provided in Section 4, “Pin
Assignment and Package Information” and in the “Signal Multiplexing Scheme” table within the reference
manual.
The connections of the pins in Table 2 depends solely upon the user application, however there are a few
factory test signals that are not used in a normal application. Following is a list of these signals and how
they are to be terminated for proper operation of the i.MX21 processor:
CLKMODE[1:0]: To ensure proper operation, leave these signals as no connects.
OSC26M_TEST: To ensure proper operation, leave this signal as no connect.
EXT_48M: To ensure proper operation, connect this signal to ground.
EXT_266M: To ensure proper operation, connect this signal to ground.
TEST_WB[2:0]: These signals are also multiplexed with GPIO PORT E as well as alternate
keypad signals. If not utilizing these signals for GPIO functionality or for their other multiplexed
function, then configure as GPIO input with pull up enabled, and leave as a no connect.
TEST_WB[4:3]: To ensure proper operation, leave these signals as no connects.
Table 2. i.MX21 Signal Descriptions
Signal Name
Function/Notes
External Bus/Chip Select (EIM)
A [25:0]
Address bus signals
D [31:0]
Data bus signals
EB0
MSB Byte Strobe—Active low external enable byte signal that controls D [31:24], shared with SDRAM
DQM0.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9328MX21CJM 制造商:Freescale Semiconductor 功能描述:IC 32BIT MPU 266MHZ BGA-289
MC9328MX21CJMR2 功能描述:處理器 - 專門應(yīng)用 DB I.MX21 17X17 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
MC9328MX21CVG 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:i.MX family of microprocessors
MC9328MX21CVH 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:i.MX family of microprocessors
MC9328MX21CVK 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
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