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参数资料
| 型号： | EP7309-CVZ |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 33/42页 |
| 文件大小： | 0K |
| 描述： | IC ARM720T MCU 74MHZ 208-LQFP |
| 标准包装： | 36 |
| 系列： | EP7 |
| 核心处理器： | ARM7 |
| 芯体尺寸： | 32-位 |
| 速度： | 74MHz |
| 连通性： | 编解码器，DAI，EBI/EMI，IrDA，键盘，SPI/Microwire1，UART/USART |
| 外围设备： | LCD，LED，MaverickKey，POR，PWM |
| 输入/输出数： | 27 |
| 程序存储器类型： | ROMless |
| RAM 容量： | 56K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.3 V ~ 2.7 V |
| 振荡器型： | 外部 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 208-LQFP |
| 包装： | 托盘 |
| 其它名称： | 598-1214 |
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DS507F2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
39
EP7309
High-Performance, Low-Power System on Chip
CONVENTIONS
This section presents acronyms, abbreviations, units of
measurement, and conventions used in this data sheet.
Acronyms and Abbreviations
Table 22 lists abbreviations and acronyms used in this data
sheet.
Units of Measurement
Table 22. Acronyms and Abbreviations
Acronym/
Abbreviation
Definition
A/D
analog-to-digital
ADC
analog-to-digital converter
CODEC
coder / decoder
D/A
digital-to-analog
DMA
direct-memory access
EPB
embedded peripheral bus
FCS
frame check sequence
FIFO
first in / first out
FIQ
fast interrupt request
GPIO
general purpose I/O
ICT
in circuit test
IR
infrared
IRQ
standard interrupt request
IrDA
Infrared Data Association
JTAG
Joint Test Action Group
LCD
liquid crystal display
LED
light-emitting diode
LQFP
low profile quad flat pack
LSB
least significant bit
MIPS
millions of instructions per second
MMU
memory management unit
MSB
most significant bit
PBGA
plastic ball grid array
PCB
printed circuit board
PDA
personal digital assistant
PLL
phase locked loop
p/u
pull-up resistor
RISC
reduced instruction set computer
RTC
Real-Time Clock
SIR
slow (9600–115.2 kbps) infrared
SRAM
static random access memory
SSI
synchronous serial interface
TAP
test access port
TLB
translation lookaside buffer
UART
universal asynchronous receiver
Table 23. Unit of Measurement
Symbol
Unit of Measure
C
degree Celsius
fs
sample frequency
Hz
hertz (cycle per second)
kbps
kilobits per second
KB
kilobyte (1,024 bytes)
kHz
kilohertz
k
kilohm
Mbps
megabits (1,048,576 bits) per second
MB
megabyte (1,048,576 bytes)
MBps
megabytes per second
MHz
megahertz (1,000 kilohertz)
A
microampere
Fmicrofarad
Wmicrowatt
s
microsecond (1,000 nanoseconds)
mA
milliampere
mW
milliwatt
ms
millisecond (1,000 microseconds)
ns
nanosecond
Vvolt
Wwatt
Table 22. Acronyms and Abbreviations (Continued)
Acronym/
Abbreviation
Definition
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EP7309-EB-C | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-ER-C | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-EV-C | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-IB | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface |
| EP7309-IB-C | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
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