參數(shù)資料
型號: ADUC7122BBCZ
廠商: Analog Devices Inc
文件頁數(shù): 1/96頁
文件大?。?/td> 0K
描述: IC ARM7TDMI MCU 126KB 108CSPBGA
特色產(chǎn)品: ADuC7122 Precision Analog Microcontroller
標(biāo)準(zhǔn)包裝: 1
系列: MicroConverter® ADuC7xxx
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 41.78MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 126KB(63K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x12b,D/A 12x12b
振蕩器型: 內(nèi)部
工作溫度: -10°C ~ 95°C
封裝/外殼: 108-LFBGA,CSPBGA
包裝: 托盤
Precision Analog Microcontroller, 12-Bit
Analog I/O, ARM7TDMI MCU
ADuC7122
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2010 Analog Devices, Inc. All rights reserved.
FEATURES
Analog I/O
13-external channel, 12-bit, 1 MSPS ADC
2 differential channels with programmable gain
PGA (1 to 5) input range
IOVDD power monitor channel
On-chip temperature monitor
11 general-purpose inputs
Fully differential and single-ended modes
0 V to VREF analog input range
12 × 12-bit voltage output DACs
On-chip voltage reference: 1.2 V/2.5 V
Buffered output reference sources for use with external
circuits
Microcontroller
ARM7TDMI core, 16-bit/32-bit RISC architecture
JTAG port supports code download and debug
Clocking options
Trimmed on-chip oscillator (±3%)
External watch crystal
External clock source up to 41.78 MHz
41.78 MHz PLL with programmable divider
Memory
126 kB Flash/EE memory, 8 kB SRAM
In-circuit download, JTAG-based debug
Software-triggered in-circuit reprogrammability
On-chip peripherals
UART, 2× I2C and SPI serial I/Os
32-pin GPIO port
4 general-purpose timers
Wake-up and watchdog timers (WDT)
Power supply monitor
Vectored interrupt controller for FIQ and IRQ
8 priority levels for each interrupt type
Interrupt on edge or level external pin inputs
Power
Specified for 3 V operation
Active mode: 11 mA at 5 MHz, 40 mA at 41.78 MHz
Packages and temperature range
7 mm × 7 mm 108-ball BGA
Fully specified for 10°C to +95°C operation
Tools
Low cost QuickStart development system
Full third-party support
APPLICATIONS
Optical networking, industrial control, and automation
systems
Smart sensors and precision instrumentation
FUNCTIONAL BLOCK DIAGRAM
ADuC7122
DAC
BU
F
DAC
BU
F
DAC
BU
F
DAC
BU
F
DAC
BU
F
DAC
BU
F
DAC9
DAC11
DAC10
DAC
BUF
DAC
BUF
DAC
BUF
IOGND
IOVDD
XTALI
XTALO
TMS
TCK
TDI
TDO
RST
TRST
PLA
PLL
POR
OSC
PWM
3× GP
TIMERS
8k SRAM
(2k × 32-BIT)
126k
FLASH
(63k ×
16-BIT)
ARM7
TDMI
WAKE-UP
TIMER
GPIO
CONTROL
SPI
12C × 2
UART
JTAG
WD
TIMER
VIC
LDO
1MSPS
12-BIT
SAR ADC
ADC8
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
PADC1
PADC0
PGA
ADC10
ADC9
PGA
IOVDD MON
TEMPERATURE
SENSOR
INTERNAL
REFERENCE
VREF_1.2
VREF_2.5
BUF
P0.0 TO P0.7
P1.0 TO P1.7
P2.0 TO P2.7
P3.0 TO P3.7
AVDD 3.3V
AGND
DAC0
DAC1
DAC2
DAC3
DAC4
DAC5
DAC
BU
F
DAC6
DAC
BU
F
DAC7
DAC
BU
F
DAC8
08
75
5-
00
1
Figure 1.
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