atmega32c1 ATMEL Corporation, atmega32c1 Datasheet - Page 145

• Manufacturer Part Number: atmega32c1
• Description: Atmega32m1 Automotive 8-bit Avr Microcontroller With 32k/64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

14.9.1.2
14.9.1.3
14.10 PSC Input Modes 001b to 10xb: Deactivate outputs without changing timing.
7647A–AVR–02/08
Signal Polarity
Input Mode Operation
PSC Input Filterring
One can select the active edge (edge modes) or the active level (level modes) See PELEVnx bit
description in Section "PSC Module n Input Control Register – PMICn", page 154.
If PELEVnx bit set, the significant edge of PSCn Input A or B is rising (edge modes) or the active
level is high (level modes) and vice versa for unset/falling/low
- In 2- or 4-ramp mode, PSCn Input A is taken into account only during Dead-Time0 and On-
Time0 period (respectively Dead-Time1 and On-Time1 for PSCn Input B).
- In 1-ramp-mode PSC Input A or PSC Input B act on the whole ramp.
Thanks to 4 configuration bits (PRFM3:0), it’s possible to define the mode of the PSC inputs.
Table 14-5.
Notice: All following examples are given with rising edge or high level active inputs.
PRFMn2:0
000b
001b
010b
011b
10x
11xb
PSC Input
Module X
CLK
PSC Input Mode Operation
PSC
Description
No action, PSC Input is ignored
Disactivate module n Outputs A
Disactivate module n Output B
Disactivate module n Output A & B
Disactivate all PSC Output
Halt PSC and Wait for Software Action
Digital
Filter
4 x CLK
PSC
Ouput
Stage
PSC Module n Input
ATmega32/64/M1/C1
PSCOUTnX
PIN
145