参数资料
型号: PIC16LF72-I/ML
厂商: Microchip Technology
文件页数: 6/136页
文件大小: 0K
描述: IC PIC MCU FLASH 2KX14 28QFN
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 61
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 22
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 5x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 28-VQFN 裸露焊盘
包装: 管件
产品目录页面: 639 (CN2011-ZH PDF)
103
2535J–AVR–08/10
ATtiny13
17.2 Fuse Bytes
The ATtiny13 has two fuse bytes. Table 17-3 on page 103 and Table 17-4 on page 103 describe
briefly the functionality of all the fuses and how they are mapped into the fuse bytes. Note that
the fuses are read as logical zero, “0”, if they are programmed.
Notes: 1. Enables SPM instruction. See “Self-Programming the Flash” on page 97.
2. DWEN must be unprogrammed when lock Bit security is required. See “Program And Data
3. See Table 18-5 on page 119 for BODLEVEL fuse decoding.
4. See “Alternate Functions of Port B” on page 54 for description of RSTDISBL and DWEN fuses.
When programming the RSTDISBL fuse, High-voltage Serial programming has to be used to
change fuses to perform further programming.
Notes: 1. The SPIEN fuse is not accessible in SPI Programming mode.
2. Programming this fues will disable the Watchdog Timer Interrupt. See “Watchdog Timer” on
page 37 for details.
4. The default value of SUT1..0 results in maximum start-up time for the default clock source.
See Table 18-3 on page 118 for details.
5. The default setting of CKSEL1..0 results in internal RC Oscillator @ 9.6 MHz. See Table 18-3
on page 118 for details.
Table 17-3.
Fuse High Byte
Fuse Bit
Bit No
Description
Default Value
7
1 (unprogrammed)
6
1 (unprogrammed)
5
1 (unprogrammed)
4
Self Programming Enable
1 (unprogrammed)
DWEN(2)
3
debugWire Enable
1 (unprogrammed)
2
Brown-out Detector trigger level
1 (unprogrammed)
1
Brown-out Detector trigger level
1 (unprogrammed)
0
External Reset disable
1 (unprogrammed)
Table 17-4.
Fuse Low Byte
Fuse Bit
Bit No
Description
Default Value
SPIEN(1)
7
Enable Serial Programming and Data
Downloading
0 (programmed)
(SPI prog. enabled)
EESAVE
6
Preserve EEPROM memory through
Chip Erase
1 (unprogrammed)
(memory not preserved)
WDTON(2)
5
Watchdog Timer always on
1 (unprogrammed)
4
Divide clock by 8
0 (programmed)
3
Select start-up time
1 (unprogrammed)
2
Select start-up time
0 (programmed)
1
Select Clock source
1 (unprogrammed)
0
Select Clock source
0 (programmed)
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