参数资料
型号: ATMEGA103-6AI
厂商: Atmel
文件页数: 14/141页
文件大小: 0K
描述: IC MCU 128K 6MHZ A/D IT 64TQFP
产品培训模块: megaAVR Introduction
标准包装: 90
系列: AVR® ATmega
核心处理器: AVR
芯体尺寸: 8-位
速度: 6MHz
连通性: SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 128KB(64K x 16)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 4K x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-TQFP
包装: 托盘
配用: ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU
110
ATmega103(L)
0945I–AVR–02/07
Figure 75. Programming the EEPROM Waveforms
Reading the Flash
The algorithm for reading the Flash memory is as follows (refer to “Programming the
Flash” on page 107 for details on command and address loading):
1.
A: Load Command “0000 0010”.
2.
H: Load Address High Byte ($00 - $FF).
3.
B: Load Address Low Byte ($00 - $FF).
4.
Set OE to “0”, and BS1 to “0”. The Flash word Low Byte can now be read at
DATA.
5.
Set BS to “1”. The Flash word High Byte can now be read at DATA.
6.
Set OE to “1”.
Reading the EEPROM
The algorithm for reading the EEPROM memory is as follows (refer to “Programming the
Flash” on page 107 for details on command and address loading):
1.
A: Load Command “0000 0011”.
2.
H: Load Address High Byte ($00 - $0F).
3.
B: Load Address ($00 - $FF).
4.
Set OE to “0”, and BS1 to “0”. The EEPROM Data byte can now be read at
DATA.
5.
Set OE to “1”.
Programming the Fuse Bits
The algorithm for programming the Fuse bits is as follows (refer to “Programming the
Flash” on page 107 for details on command and data loading):
1.
A: Load Command “0100 0000”.
2.
C: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
Bit 5 = SPIEN Fuse bit
Bit 3 = EESAVE Fuse bit
Bit 2 = always “1”
$11
ADDR. HIGH
ADDR. LOW
DATA LOW
DATA
XA1
XA2
BS1
XTAL1
RDY/BSY
RESET
WR
OE
+12V
BS2
PAGEL
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