EP9302-CQZ Cirrus Logic Inc, EP9302-CQZ Datasheet - Page 128
![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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9302-CQZ
Manufacturer:
Cirrus
Quantity:
3 295
Company:
Part Number:
EP9302-CQZ
Manufacturer:
ALTERA
Quantity:
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Part Number:
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Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9302-IQZ PDF datasheet #2
- EP9302-IQZ PDF datasheet #3
- EP9302-IQZ PDF datasheet #4
- Current page: 128 of 824
- Download datasheet (13Mb)
5
5-2
System Controller
EP93xx User’s Guide
5.1.3 Hardware Configuration Control
“Watchdog” on page 19-3
regarding which reset event occurred. Note that only the Watchdog timer contains
information about a user-generated 3-key reset.
The Hardware Configuration controls provide a mechanism to place the system into various
boot configurations. In addition, one of several external boot memory options can be selected
at system wake up.
The Hardware Configuration controls are defined by a set of device pins that are latched into
configuration control bits on the rising edge of the PRSTn or RSTOn pin. The different
hardware configuration bits define watchdog behavior, boot mode (internal or external), boot
synchronicity, and external boot width. The latched pins are described in
The latched version of these signals have an “L” prefix, are stored in the SysCfg register, and
are readable by software. Note that the signals EECLK and EEDAT may have 1 kΩ pull-up
resisters if used in an open-drain two-wire serial port application. (The default state
assignments will assume these pull-ups.)
The Hardware Control configurations are show in
Note: If PLLs are enabled, user reset does NOT disable or reset the PLLs. They retain their
• Three-key reset. When F2, F4, and F7 are pressed, a user reset occurs.
• Software reset and watchdog reset. They perform the functions of the user reset, but are
certain system variables such as RTC, SDRAM refresh control/global configuration, and
the Syscon registers.
under software control.
frequency settings.
Table 5-1. Hardware Configuration Control Latched Pins
CSn[1]
CSn[2]
CSn[3]
EECLK
EEDAT
BOOT[1:0]
ASDO
CSn[7:6]
Pin Name(s)
and
Copyright 2007 Cirrus Logic
“PwrSts” on page 5-14
Enable/Disable Watchdog
reset timer
reset duration
boot
asynchronous boot
Enable/Disable Watchdog
Should be pulled-up to “1”
Select internal or external
Should be pulled-up to “1”
Select boot mode
Select synchronous or
Select external boot width
Action
Table
registers contain the information
5-2.
Table
5-1.
DS785UM1
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