EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 749

• Manufacturer Part Number: EP9312-CB
• Description: System-on-Chip Processor
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

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, I&sup2: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

DS785UM1
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Wiper
Z+/-
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V+
V-
TOUCH DETECT
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100K
SW28
SW22
SW23
SW19
SW11
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SW0
SW1
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SW7
TOUCH_PRESS
VDD
SW10
SW9
A/D CONVERTER
SW30
SW29
SW8
REF+
REF-
IN
Figure 25-5. 5-Wire Analog Resistive Interface Switching Diagram
VBAT
DAC
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Wiper
Z+/-
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V+
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5 WIRE ANALOG RESISTIVE INTERFACE SWITCHING DIAGRAM
DISCHARGE ALL LINES
100K
100K
SW22
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SW19
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SW12
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SW0
SW1
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SW5
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SW7
Copyright 2007 Cirrus Logic
VDD
SW10
SW9
A/D CONVERTER
REF-
REF+
IN
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Wiper
Z+/-
Z-/+
V+
V-
100K
100K
SAMPLE X-AXIS
SW22
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SW19
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VDD
SW10
SW9
A/D CONVERTER
REF+
REF-
IN
Analog Touch Screen Interface
Not used
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Z+/-
Z-/+
V+
Wiper
V-
SAMPLE Y-AXIS
100K
100K
EP93xx User’s Guide
SW22
SW23
SW19
SW11
SW20
SW13
SW21
SW12
SW14
SW24
SW25
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SW27
SW15
SW16
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SW18
SW0
SW1
SW2
SW3
SW4
SW5
SW6
SW7
VDD
SW10
SW9
A/D CONVERTER
REF+
REF-
IN
25-11
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