EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 214
![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: 214 of 824
- Download datasheet (13Mb)
7
7-32
Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide
7.4.10.2 PixelMode
7.4.11 Blink Logic
7.4.11.1 BlinkRate
7.4.11.2 Defining Blink Pixels
Pixel data is transferred from the FIFO to the Video Pixel Mux two 32-bit words at a time (total
of 64 bits). Bits[2:0] of the
11. The Video Pixel MUX uses the
contained in the 64 bits of data. The Video Pixel Mux extracts pixel data from the 64-bits and
passes that pixel data to the BLINK logic one pixel at a time.
The blink logic facilitates blinking of individual pixels as they move through the video pipeline.
The blink frequency is controlled by the
same rate.
This value is used to control the number of video frames that occur before the pixel value that
is assigned to blink is switched between its non-blinked and blinked values. The actual rate is
calculated by:
Blink cycle = 2 x (1 / VCLK) x HClkTotal x VLinesTotal x (255 - BlinkRate)
A blink pixel must be defined before the blink logic is applied to a given pixel. The
“BlinkPattrn”
Note: All other combinations for these three bits are illegal.
bit P2
where:
VCLK is the basic clock rate of the video logic
HClkTotal is the value contained in the
VLinesTotal is the value contained in the
BlinkRate is the value contained in the
0
0
0
1
1
and
VLineStep = 640 x 4bpp/32
“PattrnMask”
bit P1
0
0
1
0
1
Table 7-11. Bits P[2:0] in the PixelMode Register
“PixelMode”
Copyright 2007 Cirrus Logic
bit P0
registers are used to define the blink pixels.
0
1
0
0
0
“PixelMode”
register specify the pixel depth as shown in
“BlinkRate”
Pixel Multiplexor disabled
4 bits per pixel
8 bits per pixel
16 bits per pixel
24 bits per pixel
“HClkTotal”
“BlinkRate”
register to determine how many pixels are
“VLinesTotal”
register. All blinking pixels blink at the
Function
register
register
register
DS785UM1
Table 7-
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