ST STM32F103xx series User Manual

Overview PM0075
6/31 Doc ID 17863 Rev 1
1 Overview
1.1 Features
● up to 512 Kbytes of Flash memory
● Memory organization:
– Main memory block:
4 Kbits × 64 bits for low-density devices
16 Kbits × 64 bits for medium-density devices
64 Kbits × 64 bits for high-density devices
32 Kbits × 64 bits for connectivity line devices
– Information block:
2306 × 64 bits for connectivity line devices
258 × 64 bits for other devices
Flash memory interface (FLITF) features:
● Read interface with prefetch buffer (2 × 64-bit words)
● Option byte Loader
● Flash Program / Erase operation
● Read / Write protection
● Low-power mode
1.2 Flash module organization
The memory organization is based on a main memory block containing 32 pages of 1 Kbyte
(for low-density devices), 128 pages of 1 Kbyte (for medium-density devices), 128 pages of
2 Kbyte (for connectivity line devices) or 256 pages of 2 Kbyte (for high-density devices),
and an information block as shown in Ta bl e 2 and Ta bl e 3.

ST STM32F103xx series Specifications

General

Brand	ST
Model	STM32F103xx series
Category	Controller
Language	English