EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 432
![System-on-Chip Processor](/photos/12/23/122390/mfg_ep9312_series_sml.jpg)
EP9312-CB
Manufacturer Part Number
EP9312-CB
Description
System-on-Chip Processor
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9312-IBZ.pdf
(4 pages)
3.EP9312-CB.pdf
(62 pages)
4.EP9312-CB.pdf
(17 pages)
Specifications of EP9312-CB
Peak Reflow Compatible (260 C)
No
A/d Converter
12 Bits
Leaded Process Compatible
No
No. Of I/o Pins
65
Package / Case
352-BGA
Core Processor
ARM9
Core Size
16/32-Bit
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
0°C ~ 70°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
No
Other names
598-1257
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9312-CB
Manufacturer:
CIRRUS
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9312-IBZ PDF datasheet #2
- EP9312-CB PDF datasheet #3
- EP9312-CB PDF datasheet #4
- Current page: 432 of 824
- Download datasheet (13Mb)
10
10-38
DMA Controller
EP93xx User’s Guide
CurrentState:
DONE:
TCS:
Copyright 2007 Cirrus Logic
Indicates the states that the M2M Channel Control FSM
and M2M Buffer FSM are currently in:
CurrentState[2:0] - These indicate the state of M2M
Channel Control FSM:
000 - DMA_IDLE
001 - DMA_STALL
010 - DMA_MEM_RD
011 - DMA_MEM_WR
100 - DMA_BWC_WAIT
CurrentState[4:3] - These indicate the state of M2M Buffer
FSM:
00 - DMA_NO_BUF
01 - DMA_BUF_ON
10 - DMA_BUF_NEXT
Transfer completed successfully. The transfer is
terminated on the occurrence of DEOT being asserted by
the peripheral or the byte count expiring, whichever
happens sooner. When a transfer completes, software
must clear the Interrupt.DONEInt bit before
reprogramming the DMA, by writing either “0” or “1” to this
bit. The DMA will ignore any more DREQs that it receives
from the external device (if operating in external peripheral
mode) until such time that software clears the DONE
interrupt and reprograms the DMA with new BCRx values,
and this even if the DMA interrupt is disabled.
Terminal Count status. This status bit reflects whether or
not the actual byte count has reached the programmed
limit for buffer descriptor “0” or “1” respectively:
00 - Terminal Count has not been reached for either buffer
descriptor 1 or 0.
01 - Terminal Count has not been reached for buffer 1 and
has been reached for buffer descriptor 0.
10 - Terminal Count has been reached for buffer 1 and has
not been reached for buffer descriptor 0.
11 - Terminal Count has been reached for both buffer
descriptors.
The TCS status bit for a buffer descriptor is cleared when
the BCR register of that buffer descriptor has been
programmed with a new value.
DS785UM1
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