Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Hoja De Datos
Los códigos de productos
ATSAM4L-XSTK
740
42023E–SAM–07/2013
ATSAM4L8/L4/L2
27.9.16
Slew Rate Register
Name:
SRR
Access Type:
Read/Write
Offset:
0x3C
Reset Value:
0x00000000
• FILTER: Input Spike Filter Control
• CLSLEW: Clock Slew Limit
Selects the slew limit of the TWCK output buffer in F/S-mode.
• CLDRIVEL: Clock Drive Strength LOW
Selects the pull-down drive strength of the TWCK output buffer in F/S-mode.
• DASLEW: Data Slew Limit
Selects the slew limit of the TWD output buffer in F/S-mode.
• DADRIVEL: Data Drive Strength LOW
Selects the pull-down drive strength of the TWD output buffer in F/S-mode.
for appropriates values of these register fields.
31
30
29
28
27
26
25
24
-
-
FILTER
-
-
CLSLEW
23
22
21
20
19
18
17
16
-
-
-
-
-
CLDRIVEL
15
14
13
12
11
10
9
8
-
-
-
-
-
-
DASLEW
7
6
5
4
3
2
1
0
-
-
-
-
-
DADRIVEL
FILTER Value
Function
0
Reserved
1
Reserved
2
Standard- or Fast-mode
3
Fast-mode plus