參數(shù)資料
型號(hào)： ADUC7126BSTZ126IRL
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 43/108頁(yè)
文件大?。?/td> 0K
描述： IC MCU 16/32B 126KB FLASH 80LQFP
標(biāo)準(zhǔn)包裝： 1,000
系列： MicroConverter® ADuC7xxx
核心處理器： ARM7
芯體尺寸： 16/32-位
速度： 41.78MHz
連通性： EBI/EMI，I²C，SPI，UART/USART
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 40
程序存儲(chǔ)器容量： 126KB（63K x 16）
程序存儲(chǔ)器類(lèi)型： 閃存
RAM 容量： 32K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 12x12b，D/A 4x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 125°C
封裝/外殼： 80-LQFP
包裝： 帶卷 (TR)
ADuC7124/ADuC7126
Data Sheet
Rev. C | Page 4 of 108
GENERAL DESCRIPTION
The ADuC7124/ADuC7126 are fully integrated, 1 MSPS,
12-bit data acquisition system incorporating high performance
multichannel ADCs, 16-bit/32-bit MCUs, and Flash/EE memory
on a single chip.
The ADC consists of up to 12 single-ended inputs. An additional
four inputs are available but are multiplexed with the four DAC
output pins. The ADC can operate in single-ended or differen-
tial input mode. The ADC input voltage range is 0 V to VREF.
A low drift band gap reference, temperature sensor, and voltage
comparator complete the ADC peripheral set.
The DAC output range is programmable to one of three voltage
ranges. The DAC outputs have an enhanced feature of being
able to retain their output voltage during a watchdog or soft-
ware reset sequence.
The devices operate 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, which offers up to 41 MIPS of
peak performance. Thirty-two kilobytes of SRAM and 126 kB
of nonvolatile Flash/EE memory are provided on-chip. The
ARM7TDMI core views all memory and registers as a single
linear array.
The ADuC7124/ADuC7126 contain 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
UART serial interface port or the I2C port, while nonintrusive
emulation is also supported via the JTAG interface. These fea-
tures are incorporated into a low cost QuickStart development
system supporting this MicroConverter family.
The parts contain a 16-bit PWM with six output signals.
For communication purposes, the parts contain 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. Thirdly, 2× UART channels are provided. Each
UART contains a configurable 16-byte FIFO with receive and
transmit buffers.
The parts operate from 2.7 V to 3.6 V and is specified over an
industrial temperature range of 40°C to +125°C. When operat-
ing at 41.78 MHz, the power dissipation is typically 120 mW.
The ADuC7124 is available in a 64-lead LFCSP package. The
ADuC7126 is available in a 80-lead LQFP package.
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