EP9302-CQZ Cirrus Logic Inc, EP9302-CQZ Datasheet - Page 733
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9302-CQZ
Manufacturer:
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Quantity:
3 295
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Part Number:
EP9302-CQZ
Manufacturer:
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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: 733 of 824
- Download datasheet (13Mb)
DS785UM1
24.1 Introduction
24.2 Theory of Operation
The Pulse Width Modulators (PWMs) have the following features:
Each PWM is an Advanced Microcontroller Bus Architecture (AMBA) compliant system-on-a
chip (SOC) peripheral. Each is a configurable dual-output, dual clock input AMBA slave
module, and each connects to the Advanced Peripheral Bus (APB). The PWM Interfaces
comply with the AMBA Specifications (Rev.2.0). This design assumes little-endian memory
organization.
Both of the PWM peripherals are programmed via the APB, receive scaled clock inputs from
the clock controller and produce outputs at external pins.
The processor has two independent DC-level PWM outputs, PWMOUT and PWMO1. The
PWM outputs are sourced by programable duty-cycle pulse generators. From a
programmer's point of view, for each channel there are two 16-bit registers. These can be
used to specify the width of the pulse cycle (in terms of number of PWM clock cycles), and
the duration of high-phase of the pulse (set in terms of the number of PWM clock cycles).
Note: The EP9307 processor has one PWM with one output, PWMOUT.
Note: The EP9301, EP9302, EP9312, and EP9315 processors each have two PWMs with
• Configurable dual output
• Separate input clocks for each PWM output
• 16-bit resolution
• Programmable synchronous mode support
• Programmable pulse width (duty cycle), interval (frequency), and polarity
• Allows external input to start PWM
• Static programming: PWM is stopped
• Dynamic programming: PWM is running
• Updates duty cycle, frequency, and polarity at end of a PWM cycle
two outputs, PWMOUT and PWMO1. PWMO1 is an alternate function for EGPIO14.
Copyright 2007 Cirrus Logic
24Pulse Width Modulator
Chapter 24
24-1
24
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