参数资料
型号: MC9328MXLVP15R2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 150 MHz, RISC PROCESSOR, PBGA225
封装: 13 X 13 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-225
文件页数: 54/90页
文件大小: 1242K
代理商: MC9328MXLVP15R2
Functional Description and Application Information
MC9328MXL Technical Data, Rev. 8
58
Freescale Semiconductor
4.7
Multimedia Card/Secure Digital Host Controller
The DMA interface block controls all data routing between the external data bus (DMA access), internal
MMC/SD module data bus, and internal system FIFO access through a dedicated state machine that
monitors the status of FIFO content (empty or full), FIFO address, and byte/block counters for the
MMC/SD module (inner system) and the application (user programming).
Figure 42. Chip-Select Read Cycle Timing Diagram
T8
SCLK to valid LD data
-3
3
ns
T9
End of HSYN idle2 to VSYN edge
(for non-display region)
22
Ts
T9
End of HSYN idle2 to VSYN edge
(for Display region)
11
Ts
T10
VSYN to OE active (Sharp = 0) when VWAIT2 = 0
1
Ts
T10
VSYN to OE active (Sharp = 1) when VWAIT2 = 0
2
Ts
Note:
Ts is the SCLK period which equals LCDC_CLK / (PCD + 1). Normally LCDC_CLK = 15ns.
VSYN, HSYN and OE can be programmed as active high or active low. In Figure 41, all 3 signals
are active low.
The polarity of SCLK and LD[15:0] can also be programmed.
SCLK can be programmed to be deactivated during the VSYN pulse or the OE deasserted period.
In Figure 41, SCLK is always active.
For T9 non-display region, VSYN is non-active. It is used as an reference.
XMAX is defined in pixels.
Table 21. 4/8/16 Bit/Pixel TFT Color Mode Panel Timing (Continued)
Symbol
Description
Minimum
Corresponding Register Value
Unit
Bus Clock
5b
6b
6a
7
5a
4a
3a
1
CMD_DAT Input
CMD_DAT Output
4b
3b
Valid Data
2
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.MXL
Product
Family
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