EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 122

• Manufacturer Part Number: EP9312-CB
• Description: System-on-Chip Processor
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9312-CB

• Peak Reflow Compatible (260 C): No
• A/d Converter: 12 Bits
• Leaded Process Compatible: No
• No. Of I/o Pins: 65
• Package / Case: 352-BGA
• 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: 0°C ~ 70°C
• 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: 598-1257

4
4-4
Boot ROM
EP93xx User’s Guide
4.2 Boot Options
Table 4-1
shows configuration settings that are common to all boot modes.
UART Download ?
Start Internal Boot
Flash Boot ?
Green Led
Sync Boot ?
SPI Boot ?
Read Boot
Vectors
Flash
Copy
State
Figure 4-1. Flow Chart of Boot ROM Software
Copyright 2007 Cirrus Logic
Set Up
Clocks
Boot Flash
Boot Sync
SDCS (6 or 7)
SDCS (0 or 3)
See 4.2.4
See 4.2.3
Download
Copy
Code
Code
Memory
Set Up
Boot Code
Download
Copy
Boot
DS785UM1