EP9312-IB Cirrus Logic Inc, EP9312-IB Datasheet - Page 645
EP9312-IB
Manufacturer Part Number
EP9312-IB
Description
IC ARM920T MCU 200MHZ 352-PBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9312-IBZ.pdf
(4 pages)
3.EP9312-CB.pdf
(62 pages)
4.EP9312-CB.pdf
(17 pages)
Specifications of EP9312-IB
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
352-BGA
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
No
Other names
598-1259
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9312-IBZ
Manufacturer:
CIRRUS
Quantity:
30
Company:
Part Number:
EP9312-IBZ
Manufacturer:
HITTITE
Quantity:
1 200
- EP9307-CRZ PDF datasheet
- EP9312-IBZ PDF datasheet #2
- EP9312-CB PDF datasheet #3
- EP9312-CB PDF datasheet #4
- Current page: 645 of 824
- 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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