EP9312-IBZ Cirrus Logic Inc, EP9312-IBZ Datasheet - Page 390
![IC ARM920T MCU 200MHZ 352-PBGA](/photos/12/23/122390/mfg_ep9312_series_sml.jpg)
EP9312-IBZ
Manufacturer Part Number
EP9312-IBZ
Description
IC ARM920T MCU 200MHZ 352-PBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9312-IBZ
Core Size
16/32-Bit
Package / Case
352-BGA
Core Processor
ARM9
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²: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
Controller Family/series
(ARM9)
A/d Converter
12 Bits
No. Of I/o Pins
65
Clock Frequency
200MHz
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
598-1260
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9312-IBZ
Manufacturer:
CIRRUS
Quantity:
30
Company:
Part Number:
EP9312-IBZ
Manufacturer:
HITTITE
Quantity:
1 200
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9
TXStsThrshld
9-88
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
28
12
0x8001_00DC - Read/Write
0x0004_0002
0x0000_0000
Unchanged
Transmit Status Threshold register. The transmit status thresholds are used to
set a limit on the amount of transmit status which is held in the transmit status
FIFO before a bus request will be scheduled. When the number of words in
the FIFO exceeds the threshold value, the Descriptor Processor will schedule
a bus request to transfer status. The lower two bits of the thresholds are
always zero.
RSVD:
0:
TSHT:
TSST:
27
11
RSVD
RSVD
26
10
Copyright 2007 Cirrus Logic
25
9
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.
Must be written as “0”.
Transmit Status Hard Threshold.
Transmit Status Soft Threshold.
24
8
23
7
22
6
21
5
20
4
TSHT
TSST
19
3
18
2
17
0
1
0
DS785UM1
16
0
0
0
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