参数资料
型号: MC9328MX21SVK
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, MICROPROCESSOR, PBGA289
封装: 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, MAPBGA-289
文件页数: 50/88页
文件大小: 975K
代理商: MC9328MX21SVK
MC9328MX21S Technical Data, Rev. 1.3
54
Freescale Semiconductor
Specifications
3.18
External Interface Module (EIM)
The External Interface Module (EIM) handles the interface to devices external to the i.MX21S, including
generation of chip-selects for external peripherals and memory. The timing diagram for the EIM is shown
in Figure 45, and Table 38 defines the parameters of signals.
Figure 45. EIM Bus Timing Diagram
1a
1b
2a
2b
3b
3a
4a
4b
4c
4d
5a
5b
5c
5d
6a
6b
6c
7a
7b
7c
8a
8b
9b
9c
9a
7d
(HCLK) Bus Clock
Address
Chip-select
Read (Write)
OE (rising edge)
LBA (negated rising edge)
OE (falling edge)
Burst Clock (rising edge)
LBA (negated falling edge)
EB (falling edge)
EB (rising edge)
Burst Clock (falling edge)
Read Data
Write Data (negated falling)
Write Data (negated rising)
DTACK
10a
11
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MX21
Product
Family
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相关代理商/技术参数
参数描述
MC9328MX21SVKR2 功能描述:处理器 - 专门应用 DB I.MX21S 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
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MC9328MX21VG 制造商:Rochester Electronics LLC 功能描述:APPLICATIONS PROCESSOR - Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
MC9328MX21VH 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:i.MX family of microprocessors