EP9302-CQZ Cirrus Logic Inc, EP9302-CQZ Datasheet - Page 388
EP9302-CQZ
Manufacturer Part Number
EP9302-CQZ
Description
IC ARM9 SOC PROCESSOR 208LQFP
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9302-IQZ.pdf
(42 pages)
3.EP9302-IQZ.pdf
(4 pages)
4.EP9302-IQZ.pdf
(40 pages)
Specifications of EP9302-CQZ
Program Memory Type
ROMless
Package / Case
208-LQFP
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
19
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
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Data Ram Size
16 bit
Interface Type
USB, USART, SPI
Maximum Clock Frequency
200 MHz
Number Of Programmable I/os
37
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9302A-Z
Controller Family/series
(ARM9)
No. Of I/o's
19
Ram Memory Size
16MB
Cpu Speed
200MHz
No. Of Timers
4
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1132 - KIT DEVELOPMENT EP9302 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
598-1137
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9302-CQZ
Manufacturer:
Cirrus
Quantity:
3 295
Company:
Part Number:
EP9302-CQZ
Manufacturer:
ALTERA
Quantity:
672
Part Number:
EP9302-CQZ
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9302-IQZ PDF datasheet #2
- EP9302-IQZ PDF datasheet #3
- EP9302-IQZ PDF datasheet #4
- Current page: 388 of 824
- Download datasheet (13Mb)
9
TXBufThrshld
9-86
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
31
15
Address:
Suggested Value:
Chip Reset:
Soft Reset:
Definition:
Bit Descriptions:
30
14
29
13
RSVD
RSVD
28
12
RDST:
0x8001_00D4 - Read/Write
0020_0010
0x0000_0000
Unchanged
Transmit Buffer Threshold register. The transmit buffer thresholds are used to
set a limit on the amount of empty space allowed in the transmit FIFO before a
bus request will be scheduled. When the number of empty words in the FIFO
exceeds the threshold value, the Descriptor Processor will schedule a bus
request to transfer data. The actual posting of the bus request may be delayed
due to lack of resources in the MAC, such as no active transmit descriptor.
The lower two bits of the thresholds are always zero.
RSVD:
TDHT:
27
11
26
10
Copyright 2007 Cirrus Logic
25
9
Receive Data Soft Threshold. The hard and soft threshold
work in exactly the same manner except one. The soft
threshold will not cause a bus request to be made if the
bus is currently in use, but only when it is deemed to be
idle (no transfers for four AHB clocks). The hard threshold
takes effect immediately, regardless of the state of the bus.
This operation allows for more efficient use of the AHB bus
by allowing smaller transfers to take place when the bus is
lightly loaded and requesting larger transfers only when
the bus is more heavily loaded.
Reserved. Unknown During Read.
Transmit Data Hard Threshold.
24
8
23
7
22
6
TDHT
TDST
21
5
20
4
19
3
18
2
17
0
1
0
DS785UM1
16
0
0
0
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