at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 117
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at32uc3b0512-z2ues
Manufacturer Part Number
at32uc3b0512-z2ues
Description
32-bit Avr Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT32UC3B0512-Z2UES.pdf
(680 pages)
- Current page: 117 of 680
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13.7.12
Name:
Access Type:
Offset:
Reset Value:
•
•
•
32059J–12/2010
EN
PRESC
PIN
31
23
15
7
-
-
-
-
0: Keypad scanning is disabled
1: Keypad scanning is enabled
Prescale select for the keypad scan rate:
Scan rate = 2
The RC clock period can be found in the Electrical Characteristics section.
The index of the currently active scan pin. Writing to this bitfield has no effect.
Scan Register
(SCAN.PRESC+1)
30
22
14
6
-
-
-
-
SCAN
Read/Write
0x2C
0x0000000
T
RC
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
27
19
11
3
-
-
-
PRESC[4:0]
26
18
10
2
-
-
PIN[2:0]
25
17
9
1
-
-
AT32UC3B
EN
24
16
8
0
-
117
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