ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 4
![no-image](/images/manufacturer_photos/0/6/637/stmicroelectronics_sml.jpg)
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
- Current page: 4 of 201
- Download datasheet (4Mb)
Contents
10
4/201
9.3
9.4
9.5
On-chip peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
10.1
10.2
10.3
9.2.1
9.2.2
9.2.3
I/O port implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Watchdog timer (WDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
10.1.1
10.1.2
10.1.3
10.1.4
10.1.5
10.1.6
10.1.7
10.1.8
10.1.9
10.1.10 Watchdog timer register map and reset values . . . . . . . . . . . . . . . . . . . 73
Main clock controller with real-time clock and beeper (MCC/RTC) . . . . . 73
10.2.1
10.2.2
10.2.3
10.2.4
10.2.5
10.2.6
10.2.7
10.2.8
16-bit timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
10.3.6
10.3.7
Input modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Output modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
How to program the watchdog timeout . . . . . . . . . . . . . . . . . . . . . . . . . 70
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Hardware watchdog option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Using halt mode with the WDG (WDGHALT option) . . . . . . . . . . . . . . . 72
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Control register (WDGCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Programmable CPU clock prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Clock-out capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Real-time clock timer (RTC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Beeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
MCC/RTC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
MCC register map and reset values . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Summary of timer modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
16-bit timer registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
ST7232Axx-Auto
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