EP9312-IB Cirrus Logic Inc, EP9312-IB Datasheet - Page 161

• Manufacturer Part Number: EP9312-IB
• Description: IC ARM920T MCU 200MHZ 352-PBGA
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

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, I&sup2: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

SysSWLock
DS785UM1
31
15
Address:
Default:
Definition:
Bit Descriptions:
30
14
29
13
28
12
LCSn1, LCSn2:
0x8093_00C0 - Read/Write
0x0000_0000
Syscon Software Lock Register. Provides software control port for all Syscon
locked registers. Writing the LOCK field to 0xAA opens the lock. Reading the
register will return 0x0000_0001 when the lock is open, and all zeros when the
lock is closed (locked).
RSVD:
LOCK:
RSVD
27
11
26
10
Copyright 2007 Cirrus Logic
25
9
Define Watchdog startup action:
00 - Watchdog disabled, Reset duration disabled
01 - Watchdog disabled, Reset duration active
10 - Watchdog active, Reset duration disabled
11 - Watchdog active, Reset duration active
Reserved. Unknown During Read.
Lock code value. This field must be written to a value of
0xAA to open the software lock. Reads 0x01 when the
lock is open, 0x00 when the lock is closed.
24
8
RSVD
23
7
22
6
21
5
20
4
LOCK
19
3
EP93xx User’s Guide
System Controller
18
2
17
1
16
5-35
0
5