Rainbow-electronics ATmega64C1 Uživatelský manuál stáhnout pdf (Strana 151)

151

7647A–AVR–02/08

ATmega32/64/M1/C1

• Bit 5:4 – PSYNC21:0: Synchronization Out for ADC Selection

Select the polarity and signal source for generating a signal which will be sent from module 2 to

the ADC for synchronization

• Bit 3:2 – PSYNC11:0: Synchronization Out for ADC Selection

Select the polarity and signal source for generating a signal which will be sent from module 1 to

the ADC for synchronization

• Bit 1:0 – PSYNC01:0: Synchronization Out for ADC Selection

Select the polarity and signal source for generating a signal which will be sent from module 0 to

the ADC for synchronization

14.16.3 PSC Output Compare SA Register – POCRnSAH and POCRnSAL

14.16.4 PSC Output Compare RA Register – POCRnRAH and POCRnRAL

Table 14-8. Synchronization Source Description in One Ramp Mode

PSYNCn1 PSYNCn0 Description

0 0 Send signal on leading edge of PSCOUTnA(match with OCRnSA)

Send signal on trailing edge of PSCOUTnA(match with OCRnRA or

fault/retrigger on part A)

1 0 Send signal on leading edge of PSCOUTnB (match with OCRnSB)

Send signal on trailing edge of PSCOUTnB (match with OCRnRB or

fault/retrigger on part B)

Table 14-9. Synchronization Source Description in Centered Mode

PSYNCn1 PSYNCn0 Description

Send signal on match with OCRnRA (during counting down of PSC). The

min value of OCRnRA must be 1.

Send signal on match with OCRnRA (during counting up of PSC). The

min value of OCRnRA must be 1.

1 0 no synchronization signal

1 1 no synchronization signal

Bit 76543210

–––– POCRnSA[11:8] POCRnSAH

POCRnSA[7:0] POCRnSAL

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

Initial Value 00000000

Bit 76543210

–––– POCRnRA[11:8] POCRnRAH

POCRnRA[7:0] POCRnRAL

Read/Write R/W R/W R/W R/W R/W R/W R/W R/W

Initial Value 00000000

1 2 ... 146 147 148 149 150 151 152 153 154 155 156 ... 365 366

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Rainbow-electronics ATmega64C1 Uživatelský manuál Strana 151