EP9302-CQZ Cirrus Logic Inc, EP9302-CQZ Datasheet - Page 635
![IC ARM9 SOC PROCESSOR 208LQFP](/photos/12/23/122385/mfg_ep9302_parts_sml.jpg)
EP9302-CQZ
Manufacturer Part Number
EP9302-CQZ
Description
IC ARM9 SOC PROCESSOR 208LQFP
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9302-IQZ.pdf
(42 pages)
3.EP9302-IQZ.pdf
(4 pages)
4.EP9302-IQZ.pdf
(40 pages)
Specifications of EP9302-CQZ
Program Memory Type
ROMless
Package / Case
208-LQFP
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
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
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
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Data Ram Size
16 bit
Interface Type
USB, USART, SPI
Maximum Clock Frequency
200 MHz
Number Of Programmable I/os
37
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9302A-Z
Controller Family/series
(ARM9)
No. Of I/o's
19
Ram Memory Size
16MB
Cpu Speed
200MHz
No. Of Timers
4
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1132 - KIT DEVELOPMENT EP9302 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
598-1137
Available stocks
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Price
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Part Number:
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Manufacturer:
Cirrus
Quantity:
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Part Number:
EP9302-CQZ
Manufacturer:
ALTERA
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- EP9307-CRZ PDF datasheet
- EP9302-IQZ PDF datasheet #2
- EP9302-IQZ PDF datasheet #3
- EP9302-IQZ PDF datasheet #4
- Current page: 635 of 824
- Download datasheet (13Mb)
DS785UM1
18.1.1 Features
18.1.2 16 and 32-bit Timer Operation
18.1 Introduction
The timers are used to control timed events in the system. For example, a wait can be
inserted by setting the timer value to an appropriate value and waiting for the timer interrupt.
The Timers block contains two 16-bit timers, one 32-bit timer and one 40-bit time stamp
debug timer.
The processor has these timer features:
The two 16-bit timers are referred to as TC1 and TC2. Each of these timers has an
associated 16-bit read/write data register and a control register. Each counter is loaded with
the value written to the data register immediately. This value will then be decremented on the
next active clock edge to arrive after the write. When the timer counter decrements to “0”, it
will assert the appropriate interrupt. The timer counters can be read at any time. The clock
source and mode is selectable by writing to various bits in the system control register. Clock
sources are 508 kHz and 2 kHz. Both of these clock sources are synchronized to the main
system AHB bus clock (HCLK).
Timer 3 (TC3) has the exact same operation as TC1 and TC2, but it is a 32-bit counter. It has
the same register arrangement as TC1 and TC2, providing a load, value, control and clear
register. The 16- and 32-bit timer counters can operate in two modes, free running mode or
pre-load mode.
• Two 16-bit timers
• One 32-bit timer
• One 40-bit timer
• Free running
• Load based
• Free running
• Load based
• Free running
Copyright 2007 Cirrus Logic
Chapter 18
18Timers
18-1
18
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