EP9302-IQZ Cirrus Logic Inc, EP9302-IQZ Datasheet - Page 645
EP9302-IQZ
Manufacturer Part Number
EP9302-IQZ
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-IQZ
Core Size
16/32-Bit
Core Processor
ARM9
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
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
-40°C ~ 85°C
Package / Case
208-LQFP
Controller Family/series
(ARM9)
No. Of I/o's
19
Ram Memory Size
16MB
Cpu Speed
200MHz
No. Of Timers
3
No. Of Pwm Channels
1
Digital Ic Case Style
LQFP
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9302A-Z
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
Details
Other names
598-1253
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9302-IQZ
Manufacturer:
CIRRUS
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9302-IQZ PDF datasheet #2
- EP9302-IQZ PDF datasheet #3
- EP9302-IQZ PDF datasheet #4
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- Download datasheet (13Mb)
19.1 Registers
Register Descriptions
Watchdog
DS785UM1
31
15
Address:
Default:
Definition:
Bit Descriptions:
30
14
Note: A software reset can reset the system without this register losing its contents.
Note: Watchdog registers are intended to be word-accessed only. Since the least significant
0x8094_0000
0x8094_0004
29
13
Address
bytes of the address bus are not decoded, byte and half word accesses are not allowed
and may have unpredictable results.
28
12
CTL
27
11
0x8094_0000 - Read/Write
0x0000_0000
Watchdog control register.
RSVD:
WRITE ONLY BIT FIELDS
CTL:
"Watchdog"
"WDStatus"
Name
26
10
Table 19-1. Watchdog Timer Register Memory Map
25
9
SW locked
24
8
No
No
Copyright 2007 Cirrus Logic
Reserved. Unknown during read.
Watchdog control bits. The ARM Core writes 0x5555 to
this half-word to periodically restart the watchdog timer.
Writing 0xAA55 to this hword will disable the watchdog
timer. Writing 0xAAAA to this hword will re-enable the
watchdog timer.
23
7
Read/Write
Read/Write
CTL/PLSDSN
Type
RSVD
22
6
CTL/OVRID
16/3 bits
7 bits
Size
21
5
CTL/SWDIS
Watchdog Status Storage Register
20
4
Watchdog Control Register
Description
CTL/HWDIS
19
3
CTL/URST
EP93xx User’s Guide
18
2
Watchdog Timer
CTL/3KRST
17
1
CTL/WD
19-3
16
0
19
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