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10 peripheral function – FUJITSU MB91460 SERIES FR60 User Manual

Page 30

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14

Chapter 2 MB91460 Rev.A/Rev.B Overview

2.Features

2.10 Peripheral Function

• General-purpose port : Up to 288

N channel open drain port out of above: 8 (for I

2

C)

• A/D converter : 32 channels (1 unit)

Series-parallel type

Resolution: 10 bits

Minimum conversion time: 3us

Single conversion mode

Continuous conversion mode

Stop conversion mode

Activation by software or external trigger can be selected

Reload timer 7 and A/D Converter co-operate

• D/A converter : 2 channels

R-2R type

Resolution: 10 bits

Conversion rate: 0.45us (when 20 pF load is applied)

Conversion rate: 2us (when 100 pF load is applied)

• Alarm comparator : 2 channels

Monitors an external voltage and generates an interrupt in case of a voltage lower or higher than the
defined thresholds

Status is readable, interrupts can be masked separately

• External interrupt input : 16 channels

Can be programmed to be edge sensitive or level sensitive

Interrupt mask and request pending bits per channel

6 channels combined with CAN RX for wakeup

• Non maskable interrupt (NMI) : 1 channel

Highest priority of all user interrupts

• Bit search module (using REALOS)

Function to search the first bit position of “1”, “0”, “Changed” from MSB (most significant bit) within 1
word

• Up/down counter : 16 bits x 2 channels (8 bits x 4 channels)

Timer mode, up/down count mode, phase difference mode (x2, x4)

Includes clock prescaler (f

RES

/2

1

, f

RES

/2

3

)

• Reload timer : 16 bits x 8 channels