ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 7
ST7232AK2-Auto
Manufacturer Part Number
ST7232AK2-Auto
Description
8-bit MCU for automotive, 16 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST7232AK2-AUTO.pdf
(201 pages)
Specifications of ST7232AK2-Auto
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators and bypass for external clock
Four Power Saving Modes
halt, active halt, wait and slow
Main Clock Controller With
real time base, beep and clock-out capabilities
Two 16-bit Timers With
2 input captures, 2 output compares, PWM and pulse generator modes
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ST7232Axx-Auto
13
14
15
12.11 Communication interface characteristics . . . . . . . . . . . . . . . . . . . . . . . . 175
12.12 10-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Package characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
13.1
13.2
13.3
Device configuration and ordering information . . . . . . . . . . . . . . . . . 185
14.1
14.2
14.3
14.4
14.5
Known limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
15.1
12.11.1 SPI (serial peripheral interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
12.12.1 Analog power supply and reference pins . . . . . . . . . . . . . . . . . . . . . . . 179
12.12.2 General PCB design guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
12.12.3 ADC accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Soldering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Flash devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
14.2.1
14.2.2
ROM device ordering information and transfer of customer code . . . . . 188
Development tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
14.4.1
14.4.2
14.4.3
14.4.4
14.4.5
ST7 application notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
All Flash and ROM devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
15.1.1
15.1.2
15.1.3
15.1.4
15.1.5
15.1.6
15.1.7
15.1.8
Flash configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Flash ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Evaluation tools and starter kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Development and debugging tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Programming tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Socket and emulator adapter information . . . . . . . . . . . . . . . . . . . . . . 193
Safe connection of OSC1/OSC2 pins . . . . . . . . . . . . . . . . . . . . . . . . . 194
External interrupt missed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Unexpected reset fetch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Clearing active interrupts outside interrupt routine . . . . . . . . . . . . . . . 196
16-bit timer PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
TIMD set simultaneously with OC interrupt . . . . . . . . . . . . . . . . . . . . . 197
SCI wrong break duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
39-pulse ICC entry mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Contents
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