参数资料
型号: M38853F1-HP
厂商: Renesas Technology Corp.
英文描述: Dual 2.7-V High Slew Rate Rail-To-Rail Output Operational Amplifier 8-MSOP -40 to 125
中文描述: 单芯片8位CMOS微机
文件页数: 3/73页
文件大小: 1580K
代理商: M38853F1-HP
11
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
5.
I/O Multiplexing and Considerations
5.1
Multiplexed Signals
Each pin is by default controlled by the PORT as a general purpose I/O and alternatively it can be assigned to one of the
peripheral functions A, B, C, D, E, F, G or H. To enable a peripheral function on a pin, the Peripheral Multiplexer Enable
bit in the Pin Configuration register corresponding to that pin (PINCFGn.PMUXEN, n = 0-31) in the PORT must be written
to one. The selection of peripheral function A to H is done by writing to the Peripheral Multiplexing Odd and Even bits in
the Peripheral Multiplexing register (PMUXn.PMUXE/O) in the PORT. Refer to “PORT” on page 280 for details on how to
configure the I/O multiplexing.
Table 5-1 describes the peripheral signals multiplexed to the PORT I/O pins.
Table 5-1.
PORT Function Multiplexing
Pin
I/O
Pin
Supply
Pin
Type
A
C
D
E
F
G
H
SAM
D20E
SAM
D20G
SAM
D20J
EIC
REF
ADC
AC
PTC DAC
SERCOM
AC/GCLK
1
PA00 VDDANA
EXTINT[0]
SERCOM1/
PAD[0]
TC2/
WO[0]
2
PA01 VDDANA
EXTINT[1]
SERCOM1/
PAD[1]
TC2/
WO[1]
3
PA02 VDDANA
EXTINT[2]
AIN[0]
Y[0]
VOUT
4
PA03 VDDANA
EXTINT[3]
ADC/VREFA
DAC/VREFA
AIN[1]
Y[1]
5
PB04 VDDANA
EXTINT[4]
AIN[12]
Y[10]
6
PB05 VDDANA
EXTINT[5]
AIN[13]
Y[11]
9
PB06 VDDANA
EXTINT[6]
AIN[14]
Y[12]
10
PB07 VDDANA
EXTINT[7]
AIN[15]
Y[13]
7
11
PB08 VDDANA
EXTINT[8]
AIN[2]
Y[14]
SERCOM4/
PAD[0]
TC4/
WO[0]
8
12
PB09 VDDANA
EXTINT[9]
AIN[3]
Y[15]
SERCOM4/
PAD[1]
TC4/
WO[1]
5
9
13
PA04 VDDANA
EXTINT[4]
ADC/
VREFB
AIN[4] AIN[0] Y[2]
SERCOM0/
PAD[0]
TC0/
WO[0]
6
10
14
PA05 VDDANA
EXTINT[5]
AIN[5] AIN[1] Y[3]
SERCOM0/
PAD[1]
TC0/
WO[1]
7
11
15
PA06 VDDANA
EXTINT[6]
AIN[6] AIN[2] Y[4]
SERCOM0/
PAD[2]
TC1/
WO[0]
8
12
16
PA07 VDDANA
EXTINT[7]
AIN[7] AIN[3] Y[5]
SERCOM0/
PAD[3]
TC1/
WO[1]
11
13
17
PA08
VDDIO
I2C
NMI
AIN[16]
X[0]
SERCOM0/
PAD[0]
SERCOM2/
PAD[0]
TC0/
WO[0]
12
14
18
PA09
VDDIO
I
2C
EXTINT[9]
AIN[17]
X[1]
SERCOM0/
PAD[1]
SERCOM2/
PAD[1]
TC0/
WO[1]
13
15
19
PA10
VDDIO
EXTINT[10]
AIN[18]
X[2]
SERCOM0/
PAD[2]
SERCOM2/
PAD[2]
TC1/
WO[0]
GCLK_O[4]
14
16
20
PA11
VDDIO
EXTINT[11]
AIN[19]
X[3]
SERCOM0/
PAD[3]
SERCOM2/
PAD[3]
TC1/
WO[1]
GCLK_IO[5]
19
23
PB10
VDDIO
EXTINT[10]
SERCOM4/
PAD[2]
TC5/
WO[0]
GCLK_IO[4]
20
24
PB11
VDDIO
EXTINT[11]
SERCOM4/
PAD[3]
TC5/
WO[1]
GCLK_IO[5]
25
PB12
VDDIO
I2C
EXTINT[12]
X[12]
SERCOM4/
PAD[0]
TC4/
WO[0]
GCLK_IO[6]
26
PB13
VDDIO
I
2C EXTINT[13]
X[13]
SERCOM4/
PAD[1]
TC4/
WO[1]
GCLK_IO[7]
27
PB14
VDDIO
EXTINT[14]
X[14]
SERCOM4/
PAD[2]
TC5/
WO[0]
GCLK_IO[0]
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