ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 31

• Manufacturer Part Number: ST7232AK2-Auto
• Description: 8-bit MCU for automotive, 16 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
• Manufacturer: STMicroelectronics

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

ST7232Axx-Auto
5
5.1
5.2
5.3
Introduction
Main features
CPU registers
Central processing unit
This CPU has a full 8-bit architecture and contains six internal registers allowing efficient
8-bit data manipulation.
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●
●
●
●
●
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The 6 CPU registers shown in
accessed by specific instructions.
Figure 7.
1.
X = undefined value
Enable executing 63 basic instructions
Fast 8-bit by 8-bit multiply
17 main addressing modes (with indirect addressing mode)
Two 8-bit index registers
16-bit stack pointer
Low power halt and wait modes
Priority maskable hardware interrupts
Non-maskable software/hardware interrupts
CPU registers
Reset value = stack higher address
Reset value = reset vector @ FFFEh-FFFFh
15
15
PCH
Reset value = 1
8
8
Figure 7
Reset value = XXh
Reset value = XXh
Reset value = XXh
7
7
7
7
7
1
7
1 1 X 1 X X
1 I1 H I0 N Z
PCL
are not present in the memory mapping and are
0
X
0
0
0
0
C
0
Accumulator
X index register
Y index register
Program counter
Condition code register
Stack pointer
Central processing unit
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