AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 1004
AT32UC3C1512C Automotive
Manufacturer Part Number
AT32UC3C1512C Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.AT32UC3C0512C_AUTOMOTIVE.pdf
(1312 pages)
3.AT32UC3C0512C_AUTOMOTIVE.pdf
(107 pages)
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33.7.9
Name:
Access Type:
Offset:
Reset Value:
This register can only be written if the WPSWS2 and WPHWS2 bits are cleared in
1028.
• PTRCS: PDCA Transfer Request Comparison Selection
• PTRM: PDCA Transfer Request Mode
Table 33-6.
• UPDM: Synchronous Channels Update Mode
9166C–AVR-08/11
UPDM
0
1
2
31
23
15
–
7
–
-
Selection of the comparison used to set the WRDY bit and the corresponding PDCA transfer request.
0: Manual write of double buffer registers and manual update of synchronous channels. The update occurs at the beginning of
the next PWM period, when the UPDULOCK bit in
1: Manual write of double buffer registers and automatic update of synchronous channels. The update occurs when the Update
Period is elapsed.
2: Automatic write of duty-cycle update registers by the PDCA and automatic update of synchronous channels. The update
occurs when the Update Period is elapsed.
3: Reserved.
Sync Channels Mode Register
WRDY bit and PDCA Transfer Request
PTRM
x
x
0
1
PTRCS
30
22
14
–
6
–
-
SCM
Read/Write
0x020
0x00000000
WRDY bit and PDCA Transfer Request
The WRDY bit in
never set to 1.
The WRDY bit in
period is elapsed, the PDCA transfer is never requested.
The WRDY bit in
as soon as the update period is elapsed.
The WRDY bit in
as soon as the selected comparison matches.
29
21
13
–
5
–
-
”Interrupt Status Register 2” on page 1012
”Interrupt Status Register 2” on page 1012
”Interrupt Status Register 2” on page 1012
”Interrupt Status Register 2” on page 1012
PTRM
28
20
12
–
4
–
-
”Sync Channels Update Control Register” on page 1006
SYNC3
27
19
11
–
3
-
-
SYNC2
26
18
10
–
2
-
-
”Write Protect Status Register” on page
and the PDCA transfer request are
is set to 1 as soon as the update
and the PDCA transfer is requested
and the PDCA transfer is requested
SYNC1
25
17
9
–
1
-
AT32UC3C
UPDM
is set.
SYNC0
24
16
8
–
0
-
1004
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