MINI51 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

MINI51

32-BIT MICROCONTROLLER - ARM Cortex™-M0

Unspecified 

NuMicro™ Mini51 Technical Reference Manual

3.3 Pin Description

Pin Number

LQFP QFN Pin Name Pin Type Description

48-pin 33-pin

1

NC

Not connected

P1.5

I/O Digital GPIO pin

2

1 AIN5

AI ADC analog input pin

CPP0

AI Analog comparator Positive input pin

The Schmitt trigger input pin for hardware device reset. A

“Low” on this pin for 768 clock counter of Internal RC

3

2 /RESET

I(ST)

22.1184 MHz while the system clock is running will reset the

device. /RESET pin has an internal pull-up resistor allowing

power-on reset by simply connecting an external capacitor to

GND.

P3.0

I/O Digital GPIO pin

4

3 AIN6

AI ADC analog input pin

CPN1

AI Analog comparator negative input pin

5

AVSS

AP Ground pin for analog circuit

6

4 P5.4

I/O Digital GPIO pin

P3.1

I/O Digital GPIO pin

7

5 AIN7

AI ADC analog input pin

CPP1

AI Analog comparator positive input pin

P3.2

I/O Digital GPIO pin

INT0

I External interrupt 0 input pin

8

6

STADC

I ADC external trigger input pin

T0EX

I Timer 0 external capture/reset trigger input pin

P3.4

I/O Digital GPIO pin

9

7 T0

SDA

I/O Timer 0 external event counter input pin

I/O I2C data I/O pin

P3.5

I/O Digital GPIO pin

10

8 T1

SCL

I/O Timer 1 external event counter input pin

I/O I2C clock I/O pin

11

NC

Not connected

12

NC

Not connected

13

NC

Not connected

Feb 9, 2012

Page 17 of 342

Revision V1.03

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