參數(shù)資料
型號(hào): ATMEGA88-20AU
廠商: Atmel
文件頁(yè)數(shù): 4/36頁(yè)
文件大小: 0K
描述: IC AVR MCU 8K 20MHZ 5V 32TQFP
產(chǎn)品培訓(xùn)模塊: megaAVR Introduction
標(biāo)準(zhǔn)包裝: 250
系列: AVR® ATmega
核心處理器: AVR
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 23
程序存儲(chǔ)器容量: 8KB(4K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 512 x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 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: 32-TQFP
包裝: 托盤
配用: ATSTK600-RC29-ND - STK600 ROUTING CARD AVR
ATAVRDRAGON-ND - KIT DRAGON FLASH MEM AVR
ATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
12
2545TS–AVR–05/11
ATmega48/88/168
Note:
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
should never be written.
2. I/O Registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI and CBI instructions. In these
registers, the value of single bits can be checked by using the SBIS and SBIC instructions.
3. Some of the Status Flags are cleared by writing a logical one to them. Note that, unlike most other AVRs, the CBI and SBI
instructions will only operate on the specified bit, and can therefore be used on registers containing such Status Flags. The
CBI and SBI instructions work with registers 0x00 to 0x1F only.
4. When using the I/O specific commands IN and OUT, the I/O addresses 0x00 - 0x3F must be used. When addressing I/O
Registers as data space using LD and ST instructions, 0x20 must be added to these addresses. The Atmel
ATmega48/88/168 is a complex microcontroller with more peripheral units than can be supported within the 64 location
reserved in Opcode for the IN and OUT instructions. For the Extended I/O space from 0x60 - 0xFF in SRAM, only the
ST/STS/STD and LD/LDS/LDD instructions can be used.
5. Only valid for ATmega88/168
0x1B (0x3B)
PCIFR
PCIF2
PCIF1
PCIF0
0x1A (0x3A)
Reserved
0x19 (0x39)
Reserved
0x18 (0x38)
Reserved
0x17 (0x37)
TIFR2
OCF2B
OCF2A
TOV2
157
0x16 (0x36)
TIFR1
–ICF1
OCF1B
OCF1A
TOV1
135
0x15 (0x35)
TIFR0
OCF0B
OCF0A
TOV0
0x14 (0x34)
Reserved
0x13 (0x33)
Reserved
0x12 (0x32)
Reserved
0x11 (0x31)
Reserved
0x10 (0x30)
Reserved
0x0F (0x2F)
Reserved
0x0E (0x2E)
Reserved
0x0D (0x2D)
Reserved
0x0C (0x2C)
Reserved
0x0B (0x2B)
PORTD
PORTD7
PORTD6
PORTD5
PORTD4
PORTD3
PORTD2
PORTD1
PORTD0
87
0x0A (0x2A)
DDRD
DDD7
DDD6
DDD5
DDD4
DDD3
DDD2
DDD1
DDD0
87
0x09 (0x29)
PIND
PIND7
PIND6
PIND5
PIND4
PIND3
PIND2
PIND1
PIND0
87
0x08 (0x28)
PORTC
PORTC6
PORTC5
PORTC4
PORTC3
PORTC2
PORTC1
PORTC0
86
0x07 (0x27)
DDRC
DDC6
DDC5
DDC4
DDC3
DDC2
DDC1
DDC0
86
0x06 (0x26)
PINC
PINC6
PINC5
PINC4
PINC3
PINC2
PINC1
PINC0
86
0x05 (0x25)
PORTB
PORTB7
PORTB6
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
86
0x04 (0x24)
DDRB
DDB7
DDB6
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0
86
0x03 (0x23)
PINB
PINB7
PINB6
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0
86
0x02 (0x22)
Reserved
0x01 (0x21)
Reserved
0x0 (0x20)
Reserved
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
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