ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 11
ST72521R9-Auto
Manufacturer Part Number
ST72521R9-Auto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST72521R9-AUTO.pdf
(276 pages)
Specifications of ST72521R9-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt, Wait and Slow
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ST72521xx-Auto
23
24
22.2
22.3
Known limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
23.1
23.2
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
22.1.1
22.1.2
ROM device ordering information and transfer of customer code . . . . . 261
Development tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
22.3.1
22.3.2
22.3.3
22.3.4
22.3.5
All Flash and ROM devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
23.1.1
23.1.2
23.1.3
23.1.4
23.1.5
23.1.6
23.1.7
23.1.8
23.1.9
23.1.10 CAN cell limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
23.1.11 I
All Flash devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
23.2.1
23.2.2
23.2.3
Flash configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Flash ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Evaluation tools and starter kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Development and debugging tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Programming tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Socket and emulator adapter information . . . . . . . . . . . . . . . . . . . . . . 266
External RC option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Safe connection of OSC1/OSC2 pins . . . . . . . . . . . . . . . . . . . . . . . . . 267
Reset pin protection with LVD enabled . . . . . . . . . . . . . . . . . . . . . . . . 267
Unexpected reset fetch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
External interrupt missed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Clearing active interrupts outside interrupt routine . . . . . . . . . . . . . . . 271
SCI wrong break duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
16-bit timer PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
TIMD set simultaneously with OC interrupt . . . . . . . . . . . . . . . . . . . . . 273
Internal RC oscillator with LVD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
I/O behavior during ICC mode entry sequence . . . . . . . . . . . . . . . . . . 274
Readout protection with LVD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
2
C multimaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Doc ID 17660 Rev 1
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