EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 740
![32-Bit Microcontroller IC](/photos/12/23/122383/mfg_ep9301_parts_sml.jpg)
EP9301-IQZ
Manufacturer Part Number
EP9301-IQZ
Description
32-Bit Microcontroller IC
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9301-IQZ
Controller Family/series
(ARM9)
Core Size
32 Bit
A/d Converter
12 Bits
Supply Voltage
3.3V
No. Of I/o Pins
24
Mounting Type
Surface Mount
Operating Temperature Min
-40°C
Package / Case
208-LQFP
Core Processor
ARM9
Speed
166MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
19
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Mounting Style
SMD/SMT
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
598-1250
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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25
25-2
Analog Touch Screen Interface
EP93xx User’s Guide
4 WIRE ANALOG RESISTIVE TOUCH SCREEN SCHEMATIC
X+
Y+
X-
Y-
Wiper
5 WIRE ANALOG RESISTIVE TOUCH SCREEN SCHEMATIC
Z+/-
Z-/+
For 8- and 4-wire touch screens, the point at which the contact is made can be determined by
measuring a voltage driven between the bus bars on the X-axis layer through either or both of
the Y lines, and by then measuring a voltage driven between the bus bars on the Y-axis layer
through either or both of the X lines. By comparing these voltages to values determined
during calibration, the location of the touch can be determined.
V+
V-
Figure 25-1. Different Types of Touch Screens
Copyright 2007 Cirrus Logic
Wiper
SX+
SY+
SX-
SY-
8 WIRE ANALOG RESISTIVE TOUCH SCREEN SCHEMATIC
X+
Y+
X-
Y-
sV+
Z+/-
Z-/+
sV-
7 WIRE (5 WIRE WITH FEEDBACK) ANALOG RESISTIVE
V+
V-
TOUCH SCREEN SCHEMATIC
DS785UM1
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