ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 32
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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Central processing unit
32/201
Accumulator (A)
The accumulator is an 8-bit general purpose register used to hold operands and the results
of the arithmetic and logic calculations and to manipulate data.
Index registers (X and Y)
These 8-bit registers are used to create effective addresses or as temporary storage areas
for data manipulation. (The cross-assembler generates a precede instruction (PRE) to
indicate that the following instruction refers to the Y register.)
The Y register is not affected by the interrupt automatic procedures.
Program counter (PC)
The program counter is a 16-bit register containing the address of the next instruction to be
executed by the CPU. It is made of two 8-bit registers PCL (program counter low which is
the LSB) and PCH (program counter high which is the MSB).
Condition code register (CC)
The 8-bit condition code register contains the interrupt masks and four flags representative
of the result of the instruction just executed. This register can also be handled by the PUSH
and POP instructions.
These bits can be individually tested and/or controlled by specific instructions.
CC
7
R/W
1
6
R/W
I1
5
R/W
H
4
R/W
I0
3
R/W
N
2
Reset value: 111x 1xxx
R/W
ST7232Axx-Auto
1
Z
R/W
C
0
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