EP9301-CQ Cirrus Logic Inc, EP9301-CQ Datasheet - Page 128
EP9301-CQ
Manufacturer Part Number
EP9301-CQ
Description
IC ARM920T MCU 166MHZ 208-LQFP
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EDB9301.pdf
(5 pages)
2.EDB9301.pdf
(4 pages)
3.EP9307-CRZ.pdf
(824 pages)
4.EP9301-IQ.pdf
(41 pages)
Specifications of EP9301-CQ
Core Processor
ARM9
Core Size
16/32-Bit
Speed
166MHz
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
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-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
598-1248
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9301-CQZ
Manufacturer:
CIRRUS
Quantity:
3 390
Part Number:
EP9301-CQZ
Manufacturer:
CIRRUSLOGIC
Quantity:
20 000
Company:
Part Number:
EP9301-CQZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
- EDB9301 PDF datasheet
- EDB9301 PDF datasheet #2
- EP9307-CRZ PDF datasheet #3
- EP9301-IQ 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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