EP9312-IB Cirrus Logic Inc, EP9312-IB Datasheet - Page 336

• 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

9
9-34
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
9.2.3.12 Transmit Flow
3
1
2
4
Protocol Stack
XMIT Call
AHB
Tx Descriptor
Queue
Descriptor
TxDEQ
Registers
Transmit
Figure 9-16. Transmit Flow Diagram
PCI Bus
Copyright 2007 Cirrus Logic
Transmit Frame
5
Data
Device Driver
Descriptor
Processor
Transmit
Medium
Engine
MAC
LAN
6
7
Tx Status
Queue
8
CS 8950
System
Memory
10
11
TX_Complete
9
DS785UM1