18
7521
7521
Plus / N N/B MAINTENANCE
Plus / 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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