EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 774
![32-Bit Microcontroller IC](/photos/12/23/122383/mfg_ep9301_parts_sml.jpg)
EP9301-IQZ
Manufacturer Part Number
EP9301-IQZ
Description
32-Bit Microcontroller IC
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9301-IQZ
Controller Family/series
(ARM9)
Core Size
32 Bit
A/d Converter
12 Bits
Supply Voltage
3.3V
No. Of I/o Pins
24
Mounting Type
Surface Mount
Operating Temperature Min
-40°C
Package / Case
208-LQFP
Core Processor
ARM9
Speed
166MHz
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
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
-40°C ~ 85°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
Mounting Style
SMD/SMT
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
598-1250
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Part Number
Manufacturer
Quantity
Price
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27
27-4
IDE Interface
EP93xx User’s Guide
27.2.3 MDMA Operations
For a Write Operation.
Minimum total cycle time for the various PIO modes is as follows:
You must also setup IDECFG and WST as follows, according to the PIO mode:
For MDMA operations, DMA commands are set up using PIO operations by the host. The
registers IDEMDMADataOut and IDEMDMADataIn act as the 1-deep buffer for write and
read operations respectively. The state machine sets up the necessary signals including the
DMA request to the DMA controller.
1. Write out the register value.
2. Delay as follows, based on the PIO mode.
3. Bring DIOWn high.
4. Delay as follows, based on the PIO mode.
5. Bring DIOWn low.
6. Delay as follows, based on the PIO mode before the next read or write can occur.
PIO Mode 0 - 600 ns
PIO Mode 1 - 383 ns
PIO Mode 2 - 330 ns
PIO Mode 3 - 180 ns
PIO Mode 4 - 120 ns
PIO Mode 0 - Delay for 30 ns
PIO Mode 1 - Delay for 20 ns
PIO Mode 2 - Delay for 15 ns
PIO Mode 3 - Delay for 10 ns
PIO Mode 4 - Delay for 5 ns
PIO Mode 0 - Delay for 70 ns.
PIO Mode 1 - Delay for 50 ns.
PIO Mode 2 - Delay for 30 ns
PIO Mode 3 - Delay for 30 ns
PIO Mode 4 - Delay for 25 ns
PIO Mode 0 - Delay for 290 ns.
PIO Mode 1 - Delay for 290 ns
PIO Mode 2 - Delay for 290 ns
PIO Mode 3 - Delay for 80 ns
PIO Mode 4 - Delay for 70 ns
PIO Mode 0 - 240 ns.
PIO Mode 1 - 50 ns
PIO Mode 2 - 20 ns
PIO Mode 3 - 70 ns
PIO Mode 4 - 25 ns
Copyright 2007 Cirrus Logic
DS785UM1
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