ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 10
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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Contents
21
22
10/276
20.5
20.6
20.7
20.8
20.9
20.10 Timer peripheral characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
20.11 Communication interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . 244
20.12 10-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Package characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
21.1
21.2
21.3
Device configuration and ordering information . . . . . . . . . . . . . . . . . 257
22.1
Clock and timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
20.5.1
20.5.2
20.5.3
20.5.4
20.5.5
Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
20.6.1
20.6.2
EMC (electromagnetic compatibility) characteristics . . . . . . . . . . . . . . . 233
20.7.1
20.7.2
20.7.3
I/O port pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
20.8.1
20.8.2
Control pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
20.9.1
20.9.2
20.11.1 SPI (serial peripheral interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
20.11.2 I
20.11.3 CAN - Controller area network interface . . . . . . . . . . . . . . . . . . . . . . . 249
20.12.1 Analog power supply and reference pins . . . . . . . . . . . . . . . . . . . . . . . 250
20.12.2 General PCB design guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
20.12.3 ADC accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Ecopack information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Packaging for automatic handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Flash devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
General timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
External clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Crystal and ceramic resonator oscillators . . . . . . . . . . . . . . . . . . . . . . 229
RC oscillators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
RAM and hardware registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Functional EMS (electromagnetic susceptibility) . . . . . . . . . . . . . . . . . 233
EMI (electromagnetic interference) . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . 235
General characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Output driving current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Asynchronous RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
ICCSEL/V
2
C - inter IC control interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
PP
Doc ID 17660 Rev 1
pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
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