EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 266
![System-on-Chip Processor](/photos/12/23/122390/mfg_ep9312_series_sml.jpg)
EP9312-CB
Manufacturer Part Number
EP9312-CB
Description
System-on-Chip Processor
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9312-IBZ.pdf
(4 pages)
3.EP9312-CB.pdf
(62 pages)
4.EP9312-CB.pdf
(17 pages)
Specifications of EP9312-CB
Peak Reflow Compatible (260 C)
No
A/d Converter
12 Bits
Leaded Process Compatible
No
No. Of I/o Pins
65
Package / Case
352-BGA
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
No
Other names
598-1257
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9312-CB
Manufacturer:
CIRRUS
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9312-IBZ PDF datasheet #2
- EP9312-CB PDF datasheet #3
- EP9312-CB PDF datasheet #4
- Current page: 266 of 824
- Download datasheet (13Mb)
8
8-2
Graphics Accelerator
EP93xx User’s Guide
8.2.1 Copy
8.2.1.1 Transparency
8.2.1.2 Logical Mask
8.2.1.3 Logical Destination
8.2.1.4 Operation Precedence
It is possible to copy data from the source memory to the destination memory using the copy
form of block transfer. A copy is accomplished by not enabling any of the data path options,
i.e. Transparency, Logical Mask, or Destination Mask.
Transparency is used to preserve pixels in the destination memory. When a pixel in the
source block is defined as a transparent pixel, the corresponding destination pixel will be left
un-modified by the block transfer. A pixel is defined as transparent when it matches the pixel
value that is loaded into the TRANSPATTRN register. Comparisons are made based on the
bits per pixel mode of the transfer.
Logical Mask is used to manipulate the pixel data as it is copied from the source location to
the destination. The source data will not be modified unless the source is also the destination.
All pixel data is manipulated based on the value of the
desired operation. The operations, using “C” syntax, of Logical Mask are:
Logical Destination provides for the modification of the destination data based on the value of
the source pixels. The operations, using “C” syntax, of Logical Destination are:
The order of precedence is:
1. Logical Mask
AND - This operator is used to remove pattern attributes from a pixel.
OR - This operator may be used to add regular pattern attributes to a pixel.
XOR - This operator is used for pixel bit plane inversion.
AND - This operator is used to remove pattern attributes from a pixel.
OR - This operator is used to add regular pattern attributes to a pixel.
XOR - This operator is used for pixel bit plane inversion.
Dest = BLOCKMASK & Src;
Dest = BLOCKMASK | Src;
Dest = BLOCKMASK ^ Src; (where ^ is an XOR operation)
Dest = Dest & Src;
Dest = Dest | Src;
Dest = Dest ^ Src; (where ^ is an XOR operation)
Copyright 2007 Cirrus Logic
“BLOCKMASK”
register and the
DS785UM1
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