MB91302A datasheet(13/135 Pages) FUJI

13 / 135 page

MB91301 Series

(Continued)

Pin no.

Pin name

I/O circuit

type

Function

MB91302A

MB91V301A

SCL1

CLK input pin for I2C bus function. This function is

enable when typical operation of I2C is enable. The

port output must remains off unless intentionally

turned on. (open drain output) (This function is only

for MB91302A, MB91V301A.)

A23

External address bus bit 21.

This function is enable during prohibited I2C

operation and using external bus.

P67

General-purpose I/O port.

This function is enable during prohibited I2C

operation and nonused external address bus.

76 to 79

106 to 109

AN3 to AN0

Analog input pin.

81 to 84

111 to 114

INT0 to INT3

External interrupt inputs. These inputs are used con-

tinuously when the corresponding external

interrupt is enabled. In this case, do not output to

these ports unless doing so intentionally.

PG0 to PG3

General purpose input/output ports.

ICU0 to ICU3

Input capture input pins. These inputs are used con-

tinuously when selected as input capture inputs. In

this case, do not output to these ports unless

doing so intentionally.

115

INT4

External interrupt input. These inputs are used

continuously when the corresponding external

interrupt is enabled. In this case, do not output to

these ports unless doing so intentionally.

ATG

External trigger input for A/D converter. This input is

used continuously when selected as the A/D

converter start trigger. In this case, do not output to

this port unless doing so intentionally.

PG4

General purpose input/output ports.

FRCK

External clock input pin for free-run timer. This input

is used continuously when selected as the external

clock input pin for the free-run timer. In this case, do

not output to this port unless doing so intentionally.

116

INT5

External interrupt input. These inputs are used

continuously when the corresponding external

interrupt is enabled. In this case, do not output to

these ports unless doing so intentionally.

SIN2

UART2 data input pin. This input is used continuous-

ly when UART2 is performing input. In this case, do

not output to this port unless doing so intentionally.

PG5

General purpose input/output port.

MB91302A Datasheet(PDF) 13 Page - Fuji Electric

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