EP9312-IBZ Cirrus Logic Inc, EP9312-IBZ Datasheet - Page 610
![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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9312-IBZ
Manufacturer:
CIRRUS
Quantity:
30
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Part Number:
EP9312-IBZ
Manufacturer:
HITTITE
Quantity:
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17
17-14
IrDA
EP93xx User’s Guide
17.5.1 Introduction
17.5.1.1 4PPM Modulation
Four position pulse modulation (4PPM) is used for the high-speed transmission rate of
4.0 Mbps. Payload data is divided into data bit pairs (DBPs) for encoding with LSBs
transmitted first. Each DBP is represented by one of four symbols (DDs) comprising a single
125 ms pulse within a 500 ms symbol period. The 125 ms quarters of a symbol are known as
“chips”. The resulting signal waveform for the four data DDs is shown in
Figure 17-3
DBPs.
Note: 1. Bits within each DBP are not reordered, but the least significant DBP is transmitted first.
Note: 2. A “chip” in the context of the FIR is one time slice in the Position Modulation (PPM)
symbol.
and shows modulation of the byte, 10110001b which is constructed using four
Figure 17-2. 4PPM Modulation Encoding
Copyright 2007 Cirrus Logic
Figure 17-2
DS785UM1
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