EP9312-CBZ Cirrus Logic Inc, EP9312-CBZ Datasheet - Page 747
![IC ARM9 SOC UNIVERSAL 352PBGA](/photos/12/23/122390/mfg_ep9312_series_sml.jpg)
EP9312-CBZ
Manufacturer Part Number
EP9312-CBZ
Description
IC ARM9 SOC UNIVERSAL 352PBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9312-CBZ
Core Size
16/32-Bit
Core Processor
ARM9
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
Package / Case
352-BGA
Controller Family/series
(ARM9)
No. Of I/o's
16
Ram Memory Size
16MB
Cpu Speed
200MHz
No. Of Timers
4
No. Of Pwm Channels
2
Digital Ic Case Style
BGA
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
598-1258
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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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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