EP9301-CQZ Cirrus Logic Inc, EP9301-CQZ Datasheet - Page 756

• Manufacturer Part Number: EP9301-CQZ
• Description: IC ARM9 SOC PROCESSOR 208LQFP
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9301-CQZ

• Core Size: 16/32-Bit
• Peripherals: AC'97, DMA, I&sup2:S, LED, MaverickKey, POR, PWM, WDT
• Core Processor: ARM9
• Speed: 166MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
• 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: 0°C ~ 70°C
• Package / Case: 208-TQFP, 208-VQFP
• Controller Family/series: (ARM9)
• No. Of I/o's: 19
• Ram Memory Size: 16MB
• Cpu Speed: 166MHz
• No. Of Timers: 4
• Digital Ic Case Style: TQFP
• Embedded Interface Type: SPI
• 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: 598-1136

25
25-18
Analog Touch Screen Interface
EP93xx User’s Guide
Mask:
Definition:
Bit Descriptions:
03FF_FFFF
Analog Touch screen Setup and Deviation Register.
RSVD:
TDTCT:
SDLY:
NSMP:
DEV:
ENABLE:
DLY:
Copyright 2007 Cirrus Logic
Reserved. Unknown during read.
TouchDetect Read only bit. Allows the ARM Core the
ability to read the state of the TOUCH_DETECT line.
Defines the amount of settling time between A / D samples
from 3 to 1024 μsec assuming a 1 MHz clock.
Defines the number of samples averaged per X or Y
reading.
00 - 4 samples
01 - 8 samples
10 - 16 samples
11 - 32 samples
Defines the amount of max to min range deviation in a
sample set allowed before rejection.
000 - +/- 4 LSBs
001 - +/- 8 LSBs
010 - +/- 12 LSBs
011 - +/- 16 LSBs
100 - +/- 24 LSBs
101 - +/- 32 LSBs
110 - +/- 64 LSBs
111 - +/- 128 LSBs
Enables the touch screen scanning state machine.
0 - Disabled.
1 - Enabled.
Defines the amount of settling time between changes to
the touch screen drive conditions from 3 to 1024 μs
assuming a 1 MHz clock.
DS785UM1