參數(shù)資料
型號(hào): ADUC7122BBCZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 34/96頁(yè)
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
ADuC7122
Rev. 0 | Page 4 of 96
GENERAL DESCRIPTION
The ADuC7122 is a fully integrated, 1 MSPS, 12-bit data acquisi-
tion system, incorporating high performance multichannel
ADCs, 12 voltage output DACs, 16-bit/32-bit MCUs, and
Flash/EE memory on a single chip.
The ADC consists of up to 13 inputs. Four of these inputs can
be configured as differential pairs with a programmable gain
amplifier on their front end, providing a gain between 1 and 5.
The ADC can operate in single-ended or differential input
mode. The ADC input voltage is 0 V to V
REF. A low drift band
gap reference, temperature sensor, and supply voltage monitor
complete the ADC peripheral set.
The DAC output range is programmable to one of two voltage
ranges. The DAC outputs have an enhanced feature of being
able to retain their output voltage during a watchdog or
software reset sequence.
The device operates from an on-chip oscillator and a PLL,
generating an internal high frequency clock of 41.78 MHz. This
clock is routed through a programmable clock divider from
which the MCU core clock operating frequency is generated.
The microcontroller core is an ARM7TDMI, 16-bit/32-bit
RISC machine that offers up to 41 MIPS peak performance.
There are 8 kB of SRAM and 126 kB of nonvolatile Flash/EE
memory provided on chip. The ARM7TDMI core views all
memory and registers as a single linear array.
The ADuC7122 contains an advanced interrupt controller. The
vectored interrupt controller (VIC) allows every interrupt to be
assigned a priority level. It also supports nested interrupts to a
maximum level of eight per IRQ and FIQ. When IRQ and FIQ
interrupt sources are combined, a total of 16 nested interrupt
levels are supported.
On-chip factory firmware supports in-circuit download via the
I2C serial interface port, and nonintrusive emulation is also
supported via the JTAG interface. These features are incorporated
into a low cost QuickStart development system supporting this
MicroConverter family. The part contains a 16-bit PWM with
six output signals.
For communication purposes, the part contains 2× I2C channels
that can be individually configured for master or slave mode.
An SPI interface supporting both master and slave modes is
also provided.
The part operates from 3.0 V to 3.6 V and is specified over a
temperature range of 10°C to +95°C. The ADuC7122 is
available in a 108-ball BGA package.
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