ST90R40 - ROMLESS HCMOS MCU

Product Overview

STMicroelectronics

Datasheet Details

Part number	ST90R40
Manufacturer	STMicroelectronics
File Size	398.20 KB
Description	ROMLESS HCMOS MCU
Datasheet	ST90R40 Datasheet
Additional preview pages of the ST90R40 datasheet.

Product details

Description

Pin Name 1 AVss 2 AVss 3 NC 4 P44/AIN4 5 P57 6 P56 7 P55 8 P54 9 INT7 10 INTO 11 P53 12 NC 13 P52 14 P51 15 P50 16 OSCOUT 17 Vss 18 Vss 19 NC 20 OSCIN 21 RESET 22 P37/T10UTB 23 P36/T11NB 24 P35/T10UTA Pin Name 25 P34/T11NA 26 P33fTOOUTB 27 P32fTOINB 28 P31fTOOUTA 29 P30/P/DfTOINA 30 A15 31 A14 32 NC 33 A13 34 A12 35 A11 36 A10 37 A9 38 AS 39 AO/DO 40 A1/D1 Pin Name 64 P20/NMI 63 NC 62 Vss 61 P70/SIN 60 P71/SOUT 59 P72/INT4fTXCLK /CLKOUT 58 P73/INT5 /RXCLKIADTRG 57 P74/P/D/INT6 56 P75/WAI

Features

40 fully programmable 1/0 pins.
Up to 8 external plus 1 non-maskable interrupts.
16 bit Timer with 8 bit Prescaler, able to be used as a Watchdog Timer.
Two 16 bit Multifunction Timers, each with an 8 bit prescaler and 13 operating modes.
8 channel 8 bit Analog to Digital Converter, with Analog Watchdogs and external references.
Serial Communications Interface with asynchronous and synchronous capability.
Rich Instruction Set.

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Published: Feb 23, 2025 |