ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 97
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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
Control register 2 (CR2)
Table 36.
CR2
OC1E
R/W
3:2
Bit
7
7
6
5
4
CR2 register description
OC2E
R/W
Bit name
CC[1:0]
6
OC2E
OCIE
PWM
OPM
OPM
R/W
Output compare 1 pin enable
Output compare 2 pin enable
One pulse mode
Pulse width modulation
Clock control
5
This bit is used only to output the signal from the timer on the
OCMP1 pin (OLV1 in output compare mode, both OLV1 and OLV2 in
PWM and one-pulse mode). Whatever the value of the OC1E bit, the
output compare 1 function of the timer remains active.
0: OCMP1 pin alternate function disabled (I/O pin free for
general-purpose I/O)
1: OCMP1 pin alternate function enabled
This bit is used only to output the signal from the timer on the
OCMP2 pin (OLV2 in output compare mode). Whatever the value of
the OC2E bit, the output compare 2 function of the timer remains
active.
0: OCMP2 pin alternate function disabled (I/O pin free for general-
purpose I/O)
1: OCMP2 pin alternate function enabled
0: One pulse mode is not active
1: One pulse mode is active, the ICAP1 pin can be used to trigger
one pulse on the OCMP1 pin; the active transition is given by the
IEDG1 bit. The length of the generated pulse depends on the
contents of the OC1R register.
0: PWM mode is not active
1: PWM mode is active, the OCMP1 pin outputs a programmable
cyclic signal; the length of the pulse depends on the value of OC1R
register; the period depends on the value of OC2R register.
The timer clock mode depends on the following bits:
00: timer clock = f
01: timer clock = f
10: timer clock = f
11: timer clock = external clock (where available)
Note: If the external clock pin is not available, programming the
external clock configuration stops the counter.
PWM
R/W
4
CPU
CPU
CPU
/4
/2
/8
3
CC[1:0]
Function
R/W
2
Reset value: 0000 0000 (00h)
On-chip peripherals
IEDG2
R/W
1
EXEDG
R/W
0
97/201
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