7521Plus / N N/B MAINTENANCE

16-bit free-running timer

One 16-bit free-running counter

Two output-compare lines

Four input capture lines

8-bit timer (2 channels)

Each channel has one 8-bit up-counter, two time constant registers

PWM timer (2 channels)

Resolution: 1/250

Duty cycle can be set from 0 to 100%

I²C bus interface (one channel)

Include single master mode and slave mode

Host interface (HIF)

8-bit host interface port

Three host interrupt requests (HIRQ1, 11,12) Regular and fast A20 gate output

Keyboard controller

Controls a matrix-scan keyboard by providing a keyboard scan function with wake-up Interrupts and sense ports

A/D converter

10-bit resolution

8 channels: single or scan mode (selectable)

D/A converter

8-bit resolution

2 channels

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MiTAC 7521 PLUS/N Bit free-running timer, Bit timer 2 channels, PWM timer 2 channels, Host interface HIF, Converter