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ST72521BR6 Datasheet(PDF) 7 Page - STMicroelectronics

No. de pieza ST72521BR6
Descripción Electrónicos  80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72521BR6 Datasheet(HTML) 7 Page - STMicroelectronics

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ST72F521, ST72521B
7/215
1 INTRODUCTION
The ST72F521 and ST72521B devices are mem-
bers of the ST7 microcontroller family designed for
mid-range applications with a CAN bus interface
(Controller Area Network).
All devices are based on a common industry-
standard 8-bit core, featuring an enhanced instruc-
tion set and are available with FLASH or ROM pro-
gram memory.
Under software control, all devices can be placed
in WAIT, SLOW, ACTIVE-HALT or HALT mode,
reducing power consumption when the application
is in idle or stand-by state.
The enhanced instruction set and addressing
modes of the ST7 offer both power and flexibility to
software developers, enabling the design of highly
efficient and compact application code. In addition
to standard 8-bit data management, all ST7 micro-
controllers feature true bit manipulation, 8x8 un-
signed multiplication and indirect addressing
modes.
Related Documentation
AN1131: Migrating applications from ST72511/
311/314 to ST72521/321/324
Figure 1. Device Block Diagram
8-BIT CORE
ALU
OSC1
VPP
CONTROL
PROGRAM
(32K - 60K Bytes)
VDD
RESET
PORT F
PF7:0
(8-bits)
TIMER A
BEEP
PORT A
RAM
(1024-2048 Bytes)
PORT C
10-BIT ADC
VAREF
VSSA
PORT B
PB7:0
(8-bits)
PWM ART
PORT E
CAN
PE7:0
(8-bits)
SCI
TIMER B
PA7:0
(8-bits)
PORT D
PD7:0
(8-bits)
SPI
PC7:0
(8-bits)
VSS
WATCHDOG
TLI
OSC
LVD
OSC2
MEMORY
MCC/RTC/BEEP
EVD
AVD
I2C
1On some devices only, see Device Summary on page 1
PORT G1
PG7:0
(8-bits)
PORT H1
PH7:0
(8-bits)


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