Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Fiche De Données
Codes de produits
ATSAM4E-XPRO
1009
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
39.7.16 TC Block Mode Register
Name:
TC_BMR
Address:
0x400900C4 (0), 0x400940C4 (1), 0x400980C4 (2)
Access:
Read/Write
This register can only be written if the WPEN bit is cleared in the
.
• TC0XC0S: External Clock Signal 0 Selection
• TC1XC1S: External Clock Signal 1 Selection
• TC2XC2S: External Clock Signal 2 Selection
• QDEN: Quadrature Decoder Enabled
0: Disabled.
1: Enables the quadrature decoder logic (filter, edge detection and quadrature decoding).
Quadrature decoding (direction change) can be disabled using QDTRANS bit.
One of the POSEN or SPEEDEN bits must be also enabled.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
MAXFILT
23
22
21
20
19
18
17
16
MAXFILT
–
AUTOC
IDXPHB
SWAP
15
14
13
12
11
10
9
8
INVIDX
INVB
INVA
EDGPHA
QDTRANS
SPEEDEN
POSEN
QDEN
7
6
5
4
3
2
1
0
–
–
TC2XC2S
TC1XC1S TC0XC0S
Value
Name
Description
0
TCLK0
Signal connected to XC0: TCLK0
1
–
Reserved
2
TIOA1
Signal connected to XC0: TIOA1
3
TIOA2
Signal connected to XC0: TIOA2
Value
Name
Description
0
TCLK1
Signal connected to XC1: TCLK1
1
–
Reserved
2
TIOA0
Signal connected to XC1: TIOA0
3
TIOA2
Signal connected to XC1: TIOA2
Value
Name
Description
0
TCLK2
Signal connected to XC2: TCLK2
1
–
Reserved
2
TIOA0
Signal connected to XC2: TIOA0
3
TIOA1
Signal connected to XC2: TIOA1