参数资料
型号: MCIMX27MOP4A
厂商: Freescale Semiconductor
文件页数: 81/152页
文件大小: 0K
描述: IC MPU I.MX27 19X19 473MAPBGA
标准包装: 84
系列: i.MX27
核心处理器: ARM9
芯体尺寸: 32-位
速度: 400MHz
连通性: 1 线,CAN,EBI/EMI,以太网,I²C,MMC,智能卡,SPI,SSI,UART/USART,USB OTG
外围设备: DMA,LCD,POR,PWM,WDT
程序存储器类型: ROMless
RAM 容量: 45K x 8
电压 - 电源 (Vcc/Vdd): 1.38 V ~ 1.52 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 473-LFBGA
包装: 托盘
i.MX27 and i.MX27L Data Sheet, Rev. 1.8
34
Freescale Semiconductor
Signal Descriptions
LD [17:0]
LCD Data Bus—All LCD signals are driven low after reset and when LCD is off. Through GPIO,
LD[15:0] signals are multiplexed with SLCDC1_DAT[15:0], SLCDC. PA23–PA6.
LSCLK
Shift Clock; PA5
Note: SLCDC signals are multiplexed with LCDC signals.
ATA (not available on i.MX27L)
ATA_DATA15–0
ATA Data Bus, [15:0] are multiplexed with
ETMTRACEPKT4–12,
FEC_MDIO,
ETMTRACEPKT13–14
SD3_D3–0;
Through GPIO also are multiplexed with SLCDC 15–0, and FEC signals; PF23, PD16–PD2.
Noisy I/O Supply Pins
NVDD1–15, AVDD
Noisy Supply for the I/O pins. There are 16 I/O voltage pads, NVDD1 through NVDD15 + AVDD.
Analog Supply Pins
FPMVDD
MPLLVDD
OSC26VDD
UPLLVDD
OSC32VDD
OSC32VSS
Supply for analog blocks
FPMVSS
MPLLVSS
OSC26VSS
UPLLVSS
Quiet GND for analog blocks
QVDD Internal Power Supply
QVDD
Power supply pins for silicon internal circuitry
QVSS
GND pins for silicon internal circuitry
FUSEVDD
For FuseVDD
RTCVDD
For RTC, SCC power supply
RTCVSS
For RTC, SCC GND
Table 3. i.MX27/MX27L Signal Descriptions (continued)
Pad Name
Function/Notes
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