EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 323

• Manufacturer Part Number: EP9301-IQZ
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9301-IQZ

• Controller Family/series: (ARM9)
• Core Size: 32 Bit
• A/d Converter: 12 Bits
• Supply Voltage: 3.3V
• No. Of I/o Pins: 24
• Mounting Type: Surface Mount
• Operating Temperature Min: -40°C
• Package / Case: 208-LQFP
• Core Processor: ARM9
• Speed: 166MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
• Peripherals: AC'97, DMA, I&sup2: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
• Processor Series: EP93xx
• Core: ARM920T
• Data Bus Width: 32 bit
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 598-1250

DS785UM1
9.2.3.2 Receive Flow
12
2
1
3
AHB
Descriptor
Receive
Queue
Descriptor
RxSEQ
RxDEQ
Registers
Receive
Figure 9-9. Receive Flow Diagram
PCI Bus
Copyright 2007 Cirrus Logic
Receive Frame
4
Data
Device Driver
Descriptor
Processor
Receive
Medium
Engine
MAC
LAN
7
6
5
Receive
Status Queue
8
CS 8950
1/10/100 Mbps Ethernet LAN Controller
System
Memory
9
11
10
EP93xx User’s Guide
Protocol Stack
RECV Call
9-21
9