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参数资料
型号： MCIMX534AVV8C
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封装： 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件页数： 121/178页
文件大小： 4711K
代理商： MCIMX534AVV8C
Electrical Characteristics
i.MX53xA Automotive and Infotainment Applications Processors, Rev. 3
Freescale Semiconductor
47
4.6.5
NAND Flash Controller (NFC) Parameters
This section provides the relative timing requirements among various signals of NFC at the module level,
in each operational mode.
Timing parameters in Figure 10, Figure 11, Figure 12, Figure 13, Figure 15, and Table 35 show the default
NFC mode (asymmetric mode) using two Flash clock cycles per one access of RE_B and WE_B.
Timing parameters in Figure 10, Figure 11, Figure 12, Figure 14, Figure 15, and Table 35 show symmetric
NFC mode using one Flash clock cycle per one access of RE_B and WE_B.
With reference to the timing diagrams, a high is defined as 80% of signal value and low is defined as 20%
of signal value. All parameters are given in nanoseconds. The BGA contact load used in calculations is
20 pF (except for NF16 - 40 pF) and there is maximum drive strength on all contacts.
All timing parameters are a function of T, which is the period of the flash_clk clock (“enfc_clk” at system
level). This clock frequency can be controlled by the user, configuring CCM (SoC clock controller). The
clock is derived from emi_slow_clk after single divider.
Figure 34 demonstrates several examples of clock frequency settings.
NOTE
A potential limitation for minimum clock frequency may exist for some
devices. When the clock frequency is too low, the data bus capturing might
occur after the specified trhoh (RE_B high to output hold) period. Setting the
clock frequency above 25.6 MHz (that is, T = 39 ns) guaranties a proper
operation for devices having trhoh > 15 ns. It is also recommended that the
NFC_FREQ_SEL Fuse be set accordingly to initiate the boot with
33.33 MHz clock.
4 T
dpdref is the time period of the reference clock after predivider. According to the specification, the maximum lock time in FOL
mode is 398 cycles of divided reference clock when DPLL starts after full reset.
5 Tdck is the time period of the output clock, dpdck_2.
Table 34. NFC Clock Settings Examples
emi_slow_clk (MHz)
nfc_podf (Division Factor)
enfc_clk (MHz)
T-Clock Period (ns)
100 (Boot mode)
71
1 Boot value NFC_FREQ_SEL Fuse High (burned)
14.29
70
32
2 Boot value NFC_FREQ_SEL Fuse Low
33.33
30
133
4
33.33
30
3
44.333
3 For RBB_MODE=1, using NANDF_RB0 signal for ready/busy indication. This mode require setting the delay line. See the
Reference Manual for details.
22.5
2663
15
相关PDF资料
PDF描述
MCP23008T-E/SO 8 I/O, PIA-GENERAL PURPOSE, PDSO18
MCP23008-E/ML 8 I/O, PIA-GENERAL PURPOSE, PQCC20
MCP23S08T-E/ML 8 I/O, PIA-GENERAL PURPOSE, PQCC20
MCP23S08T-E/SS 8 I/O, PIA-GENERAL PURPOSE, PDSO20
MCP23008-E/P 8 I/O, PIA-GENERAL PURPOSE, PDIP18
相关代理商/技术参数
参数描述
MCIMX534AVV8C 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU 800 MHZ 529-BGA
MCIMX534AVV8CR2 功能描述:处理器 - 专门应用 iMX53 Rev 2.1 Auto RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX535DVV1B 功能描述:处理器 - 专门应用 IMX53 REV 2.0 COMM RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX535DVV1C 功能描述:处理器 - 专门应用 IMX53 REV 2.1 COMM RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX535DVV1C 制造商:Freescale Semiconductor 功能描述:IMX53 REV 2.1 COMM
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