ST92F120V1Q7 STMicroelectronics, ST92F120V1Q7 Datasheet - Page 39
ST92F120V1Q7
Manufacturer Part Number
ST92F120V1Q7
Description
Microcontrollers (MCU) Flash 128K SPI/I2C
Manufacturer
STMicroelectronics
Datasheet
1.ST92F120V9Q7.pdf
(325 pages)
Specifications of ST92F120V1Q7
Data Bus Width
8 bit, 16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
77
Number Of Timers
5
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Package / Case
PQFP-100
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 16 Channel
Lead Free Status / Rohs Status
No
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3 SINGLE VOLTAGE FLASH & EEPROM
3.1 INTRODUCTION
The Flash circuitry contains one array divided in
two main parts that can each be read independ-
ently. The first part contains the main Flash array
for code storage, a reserved array (TestFlash) for
system routines and a 128-byte area available as
one time programmable memory (OTP). The sec-
Figure 21. Flash Memory Structure (Example for 128K Flash device)
22C000h
231F80h
010000h
01C000h
01E000h
228000h
230000h
000000h
User OTP and Protection registers
8 program load
8 program load
Sector F0
Sector F2
Sector F3
TestFlash
8 sense +
8 sense +
64 Kbytes
48 Kbytes
Sector E0
8 Kbytes
Sector F1
Sector E1
8 Kbytes
8 Kbytes
4 Kbytes
4 Kbytes
ST92F120 - SINGLE VOLTAGE FLASH & EEPROM
ond part contains the two dedicated Flash sectors
used for EEPROM Hardware Emulation.
The write operations of the two parts are managed
by an embedded Program/Erase Controller, that
uses a dedicated ROM. Through a dedicated RAM
buffer the Flash and the EEPROM can be written
in blocks of 16 bytes.
Address
Program / Erase
Controller
RAM buffer
16 bytes
Interface
Register
Data
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