参数资料
型号: ATTINY43U-MUR
厂商: Atmel
文件页数: 82/158页
文件大小: 0K
描述: MCU AVR 4KB FLASH 8MHZ 20QFN
产品培训模块: tinyAVR Introduction
标准包装: 6,000
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 8MHz
连通性: USI
外围设备: 欠压检测/复位,POR,PWM,温度传感器,WDT
输入/输出数: 16
程序存储器容量: 4KB(2K x 16)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-WFQFN 裸露焊盘
包装: 带卷 (TR)
3
8048C–AVR–02/12
ATtiny43U
capability except PA7 which has the RESET capability. To use pin PA7 as an I/O pin, instead of
RESET pin, program (‘0’) RSTDISBL fuse. As inputs, Port A pins that are externally pulled low
will source current if the pull-up resistors are activated. The Port A pins are tri-stated when a
reset condition becomes active, even if the clock is not running.
Port A has an alternate functions as analog inputs for the ADC, analog comparator, timer/coun-
ter, SPI and pin change interrupt as described in “Alternate Port Functions” on page 69.
1.1.4
RESET
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running. The minimum pulse length is given in Table 20-4 on page
161. Shorter pulses are not guaranteed to generate a reset.
1.1.5
Port B (PB7:PB0)
Port B is a 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port B output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B also serves the functions of various special features as listed in Section 11.3 “Alternate
1.1.6
LSW
Boost converter external inductor connection. Connect to ground when boost converter is dis-
abled permanently.
1.1.7
V
BAT
Battery supply voltage. Connect to ground when boost converter is disabled permanently.
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