EP9301-CQZ Cirrus Logic Inc, EP9301-CQZ Datasheet - Page 338
EP9301-CQZ
Manufacturer Part Number
EP9301-CQZ
Description
IC ARM9 SOC PROCESSOR 208LQFP
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9301-CQZ
Core Size
16/32-Bit
Peripherals
AC'97, DMA, I²:S, LED, MaverickKey, POR, PWM, WDT
Core Processor
ARM9
Speed
166MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
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
0°C ~ 70°C
Package / Case
208-TQFP, 208-VQFP
Controller Family/series
(ARM9)
No. Of I/o's
19
Ram Memory Size
16MB
Cpu Speed
166MHz
No. Of Timers
4
Digital Ic Case Style
TQFP
Embedded Interface Type
SPI
Rohs Compliant
Yes
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
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
598-1136
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9301-CQZ
Manufacturer:
CIRRUS
Quantity:
3 390
Part Number:
EP9301-CQZ
Manufacturer:
CIRRUSLOGIC
Quantity:
20 000
Company:
Part Number:
EP9301-CQZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
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9
9-36
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
9.2.3.14 Transmit Descriptor Data/Status Flow
descriptor count
descriptor count
descriptor count
Tx Descriptor
Write TxDEQ
Write TxDEQ
Write TxDEQ
and Status
with valid
with valid
with valid
Initialize
Queues
SoftWare
Reset
Random timing between
Write TxEnq steps
Figure 9-17. Transmit Descriptor Data/Status Flow
Processor + LAN
[CS8950 + LAN]
Copyright 2007 Cirrus Logic
Descriptors
Descriptors
Descriptors
HardWare
Read Tx
Read Tx
Read Tx
Read Tx
Read Tx
Read Tx
Read Tx
Idle
Data
Data
Data
Data
Send Frame 1
Send Frame 0
Send Frame 2
Tx Status
Tx Status
Tx Status
Write
Write
Write
SoftWare
Tx Status
Tx Status
Tx Status
Process
Process
Process
DS785UM1
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