EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 747
![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: 747 of 824
- Download datasheet (13Mb)
DS785UM1
WAIT FOR TOUCH PRESS
SETTLING TIME FOR KEY
PRESET SETTLING TIME
MAX,MIN,AND AVERAGE
DISCHARGE ALL FOR
DELAY FOR PRESET
APPLY VOLTAGE TO
SAMPLES STORING
TAKE 4,8,16,OR 32
SETTLING TIME
SCAN X-AXIS
DETECTION
START
X-AXIS
Figure 25-4. Analog Resistive Touch Screen Scan Flow Chart
ABS(X-XLAST) LESS
X INT PENDING?
SET X INT PENDING
GREATER THAN
ABS(MAX-MIN)
ABS(X-XLAST)
LESS THAN X
THAN XMIN?
DEVIATION
or DEVTMR
XMAX?
XLAST = X
carry?
Y
N
N
Y
Copyright 2007 Cirrus Logic
Y
Y
N
N
N
ABS(Y-YLAST) LESS
Y INT PENDING?
SET Y INT PENDING
GREATER THAN
ABS(MAX-MIN)
ABS(Y-YLAST)
LESS THAN Y
THAN YMIN?
DEVIATION
or DEVTMR
YLAST = Y
YMAX?
carry?
Y
N
N
Y
Analog Touch Screen Interface
Y
Y
SET INTERRUPT
N
YLAST = Y
PRESET SETTLING TIME
MAX,MIN,AND AVERAGE
SET X INT PENDING
DISCHARGE ALL FOR
APPLY VOLTAGE TO
DELAY FOR PRESET
SAMPLES STORING
TAKE 4,8,16,OR 32
EP93xx User’s Guide
SETTLING TIME
XLAST = X
SCAN Y-AXIS
Y-AXIS
X INT PENDING?
N
25-9
Y
25
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