PIC12F609-ESLASHP datasheet(47/212 Pages) MICROCHIP

47 / 212 page

 2010 Microchip Technology Inc.

DS41302D-page 47

PIC12F609/615/617/12HV609/615

5.2.4

PIN DESCRIPTIONS AND

DIAGRAMS

Each GPIO pin is multiplexed with other functions. The

pins and their combined functions are briefly described

here. For specific information about individual functions

such as the Comparator or the ADC, refer to the

appropriate section in this data sheet.

5.2.4.1

GP0/AN0(1)/CIN+/P1B(1)/ICSPDAT

Figure 5-1 shows the diagram for this pin. The GP0 pin

is configurable to function as one of the following:

• a general purpose I/O

• an analog input for the ADC

(1)

• an analog non-inverting input to the comparator

• a PWM output

(1)

• In-Circuit Serial Programming data

5.2.4.2

GP1/AN1(1)/CIN0-/VREF(1)/ICSPCLK

Figure 5-1 shows the diagram for this pin. The GP1 pin

is configurable to function as one of the following:

• a general purpose I/O

• an analog input for the ADC

(1)

• an analog inverting input to the comparator

• a voltage reference input for the ADC

(1)

• In-Circuit Serial Programming clock

FIGURE 5-1:

BLOCK DIAGRAM OF GP<1:0>

Note 1:

PIC12F615/617/HV615 only.

VDD

VSS

VDD

Weak

RD GPIO

IOC

Interrupt-on-

To Comparator

Analog(1)

Input Mode

GPPU

Analog(1)

Input Mode

Change

WPU

Data Bus

WPU

GPIO

TRISIO

GPIO

Note

Comparator mode and ANSEL determines Analog Input mode.

Set has priority over Reset.

PIC12F615/617/HV615 only.

To A/D Converter(3)

I/O Pin

S(2)

From other

GP<5:0> pins (GP0)

Write ‘0’ to GBIF

GP<5:2, 0> pins (GP1)

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