EP9301-IQZ Cirrus Logic Inc, EP9301-IQZ Datasheet - Page 559
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
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DS785UM1
15.2.1 IrDA SIR Encoder/decoder Functional Description
15.1 Introduction
15.2 IrDA SIR Block
UART2 implements a UART interface identical to that of UART1. UART2 does not implement
a modem or HDLC interface. For additional details about UART1, refer to
“UART1 With HDLC and Modem Control Signals” on page
UART2 and the IrDA blocks cooperatively implement a Slow Infrared (SIR) interface. The
register interface for each block is separate. The UART2 control registers are at base
address 0x808D_0000 and the IrDA controller registers are at base address 0x808B_0000.
For additional details about IrDA, refer to
interface is described below.
The IrDA SIR block contains an IrDA SIR protocol Encoder/decoder. The SIR protocol
Encoder/decoder can be enabled for serial communication via signals nSIROUT and SIRIN
to an infrared transducer instead of using the UART signals UARTTXD and UARTRXD.
If the SIR protocol Encoder/decoder is enabled, the UARTTXD line is held in the passive
state (HIGH) and transitions of the modem status or the UARTRXD line will have no effect.
The SIR protocol Encoder/decoder can both receive and transmit, but it is half-duplex only, so
it cannot receive while transmitting, or vice versa.
The IrDA SIR physical layer specifies a minimum 10 ms delay between transmission and
reception.
The IrDA SIR Encoder/decoder comprises:
This is shown in
• IrDA SIR transmit encoder
• IrDA SIR receive decoder
Figure
15-1:
Copyright 2007 Cirrus Logic
Chapter
17,
“IrDA” on page
14-1.
17-1. The UART SIR
Chapter 15
Chapter
15UART2
14,
15-1
15
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