EP9312-IBZ Cirrus Logic Inc, EP9312-IBZ Datasheet - Page 420
![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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10
STATUS
10-26
DMA Controller
EP93xx User’s Guide
31
15
Address:
Definition:
Bit Descriptions:
30
14
RSVD
29
13
28
12
Channel Base Address + 0x000C - Read Only
This is the channel status register, which is a read-only register, used to
provide status information with respect to the DMA channel.
RSVD:
Stall:
NFB:
ChError:
BYTES:
27
11
26
10
Copyright 2007 Cirrus Logic
BYTES
25
9
Reserved. Unknown During Read.
A “1” indicates channel is stalled and cannot currently
transfer data because a base address has not been
programmed. When the channel is first enabled, the Stall
bit is suppressed until the first buffer has been transferred,
that is, no stall interrupt generated when STALL state
entered from IDLE state, only when entered from ON
State. The STALL state can be cleared by writing a base
address or disabling the DMA channel. The reason for
channel completion can be ascertained by reading the
BYTES_REMAINING register, if it is zero, the channel was
stopped by the DMA Channel; if it is non-zero, the
peripheral ended transfer with TxEnd/RxEnd. If the
transfer ended with error, ChError bit/interrupt is set.
A “1” indicates the Channel FSM has moved from NEXT
State to ON State. This means that the channel is currently
transferring data from a DMA buffer but the next base
address for the next buffer in the transfer has not been
programmed, and may now be.
0 - Not in ON State, not ready for next buffer update.
1 - In ON State, ready for next buffer BASE/MAXCOUNT
updates. NFB interrupt generated if not masked.
Indicates error status of buffer transfer:
0 - The last buffer transfer completed without error.
1 - The last buffer transfer terminated with an error.
This is the number of valid DMA data currently stored by
the channel in the DMA Controller in packer or unpacker.
Usually used for test/debug.
24
8
RSVD
23
7
NextBuffer
22
6
Current State
21
5
20
4
ChError
19
3
RSVD
18
2
NFB
17
1
DS785UM1
STALL
16
0
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