參數(shù)資料
型號: ATMEGA103-6AI
廠商: Atmel
文件頁數(shù): 60/141頁
文件大小: 0K
描述: IC MCU 128K 6MHZ A/D IT 64TQFP
產(chǎn)品培訓(xùn)模塊: megaAVR Introduction
標準包裝: 90
系列: AVR® ATmega
核心處理器: AVR
芯體尺寸: 8-位
速度: 6MHz
連通性: SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 128KB(64K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 托盤
配用: ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU
25
ATmega103(L)
0945I–AVR–02/07
$0012
jmp
TIM2_COMP
; Timer2 Compare Handler
$0014
jmp
TIM2_OVF
; Timer2 Overflow Handler
$0016
jmp
TIM1_CAPT
; Timer1 Capture Handler
$0018
jmp
TIM1_COMPA
; Timer1 Compare A Handler
$001A
jmp
TIM1_COMPB
; Timer1 Compare B Handler
$001C
jmp
TIM1_OVF
; Timer1 Overflow Handler
$001E
jmp
TIM0_COMP
; Timer0 Compare Handler
$0020
jmp
TIM0_OVF
; Timer0 Overflow Handler
$0022
jmp
SPI_STC
; SPI Transfer Complete Handler
$0024
jmp
UART_RXC
; UART RX Complete Handler
$0026
jmp
UART_DRE
; UDR Empty Handler
$0028
jmp
UART_TXC
; UART TX Complete Handler
$002A
jmp
ADC
; ADC Conversion Complete Handler
$002C
jmp
EE_RDY
; EEPROM Ready Handler
$002E
jmp
ANA_COMP
; Analog Comparator Handler
;
$0030
MAIN:
ldi
r16, high(RAMEND); Main program start
$0031
out
SPH,r16
$0032
ldi
r16, low(RAMEND)
$0033
out
SPL,r16
$0034
<instr>
xxx
...
Reset Sources
The ATmega103(L) has three sources of reset:
Power-on Reset. The MCU is reset when the supply voltage is below the Power-on
Reset threshold (V
POT).
External Reset. The MCU is reset when a low level is present on the RESET pin for
more than 50 ns.
Watchdog Reset. The MCU is reset when the Watchdog Timer period expires and
the Watchdog is enabled.
During reset, all I/O Registers except the MCU Status Register are then set to their initial
values and the program starts execution from address $0000. The instruction placed in
address $0000 must be a JMP (absolute jump) instruction to the reset handling routine.
If the program never enables an interrupt source, the Interrupt Vectors are not used and
regular program code can be placed at these locations. The circuit diagram in Figure 23
shows the reset logic. Table 5 defines the timing and electrical parameters of the reset
circuitry.
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