参数资料
型号: MB9AF312NPMC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP100
封装: 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 92/114页
文件大小: 1357K
代理商: MB9AF312NPMC
79
ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
14.4
Register Description
14.4.1 MCUCR – MCU Control Register
Note:
1.
BODS and BODSE only available for picoPower devices ATmega48PA/88PA/168PA
Bit 4 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and PORTxn Registers are
configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See Section 14.2.1 “Configuring the Pin” on page 65 for more
details about this feature.
14.4.2 PORTB – The Port B Data Register
14.4.3 DDRB – The Port B Data Direction Register
14.4.4 PINB – The Port B Input Pins Address
14.4.5 PORTC – The Port C Data Register
14.4.6 DDRC – The Port C Data Direction Register
Bit
7
6
5
4
3
2
1
0
BODS(1)
BODSE(1)
PUD
IVSEL
IVCE
MCUCR
Read/Write
R
R/W
R
R/W
Initial Value
0
Bit
7
65
43
2
1
0
PORTB7 PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0
PORTB
Read/Write
R/W
Initial Value
0
Bit
7
65
43
2
1
0
DDB7
DDB6
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0
DDRB
Read/Write
R/W
Initial Value
0
Bit
7
65
43
2
1
0
PINB7
PINB6
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0
PINB
Read/Write
R
Initial Value
N/A
Bit
7
65
43
2
1
0
PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0
PORTC
Read/Write
R
R/W
Initial Value
0
Bit
7
65
43
2
1
0
DDC6
DDC5
DDC4
DDC3
DDC2
DDC1
DDC0
DDRC
Read/Write
R
R/W
Initial Value
0
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