sak-c868p-1rr Infineon Technologies Corporation, sak-c868p-1rr Datasheet - Page 75
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sak-c868p-1rr
Manufacturer Part Number
sak-c868p-1rr
Description
8 - Bit Cmos Microcontroller
Manufacturer
Infineon Technologies Corporation
Datasheet
1.SAK-C868P-1RR.pdf
(266 pages)
- Current page: 75 of 266
- Download datasheet (4Mb)
4.7
The CCU6 provides two independent timers (T12, T13), which can be used for PWM
generation, especially for AC-motor control. Additionally, special control modes for block
commutation and multi-phase machines are supported.
Timer 12 Features
• Three capture/compare channels, each channel can be used either as capture or as
• Generation of a three-phase PWM supported (six outputs, individual signals for
• 16 bit resolution, maximum count frequency = system clock
• Dead-time control for each channel to avoid short-circuits in the power stage
• Concurrent update of the required T12/13 registers
• Center-aligned and edge-aligned PWM can be generated
• Single-shot mode supported
• Many interrupt request sources
• Hysteresis-like control mode
Timer 13 Features
• One independent compare channel with one output
• 16 bit resolution, maximum count frequency = system clock
• Can be synchronized to T12
• Interrupt generation at period-match and compare-match
• Single-shot mode supported
Additional Features
• Block commutation for Brushless DC-drives implemented
• Position detection via Hall-sensor pattern
• Automatic rotational speed measurement for block commutation
• Integrated error handling
• Fast emergency stop without CPU load via external signal (CTRAP)
• Control modes for multi-channel AC-drives
• Output levels can be selected and adapted to the power stage
• Capture/compare unit can be powerdown in normal, idle and slow-down modes
The timer T12 can work in capture and/or compare mode for its three channels. The
modes can also be combined. The timer T13 can work in compare mode only. The multi-
channel control unit generates output patterns which can be modulated by T12 and/or
T13. The modulation sources can be selected and combined (refer to figure ’Modulation
Selection, Passive Level and Alternate Output Enable of T12’) for the signal modulation.
User’s Manual
compare channel.
highside and lowside switches)
Capture/Compare Unit (CCU6)
4-31
On-Chip Peripheral Components
V 1.0, 2003-01
C868
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