Chapter 1 Hardware Structure
b 7
T 0 M 1 T 0 M 0
T 0 S
T 0 O N
T 0 E
b 0
T im e r /E v e n t C o
T M R 0 C
H T 4 9 R
H T 4 9 R
H T 4 9 R
N o t im p le m e n te d
u n te
5 0 A
7 0 A
U 8 0
, re a
r C o n
-1 /H T
-1 /H T
/H T 4 9
d a s "
tro l
4 9 C
4 9 C
C U
0 "
R e g is te r
5 0 -1 /H T 4 9 C 5 0 L
7 0 -1 /H T 4 9 C 7 0 L
8 0
E v e n t C o u n te r A c tiv e E d g e S e le c t
1 : c o u n t o n fa llin g e d g e
0 : c o u n t o n r is in g e d g e
P u ls e W id th M e a s u r e m e n t A c tiv e E d g e S e le c t
1 : s ta r t c o u n tin g o n r is in g e d g e , s to p o n fa llin g e d g e
0 : s ta r t c o u n tin g o n fa llin g e d g e , s to p o n r is in g e d g e
T im e r /E v e n t C o u n te r C o u n tin g E n a b le
1 : e n a b le
0 : d is a b le
T im e r /E v e n t C o u n te r C lo c k S o u r c e
1 : f
S Y S
o r f
S Y S
/4
0 : R T C in te r r u p t s ig n a l
O p e r a tin g M o d e S e le
T 0 M 1 T 0 M 0
n o m o d
0
0
e v e n t c
1
0
tim e r m
0
1
p u ls e w
1
1
c t
e a v a ila b le
o u n te r m o d e
o d e
id th m e a s u r e m e n t m o d e
b 7
T 1 M 1 T 1 M 0
T 1 S
T 1 O N
T 1 E
b 0
T im e r /E v e n t C o
T M R 1 C
H T 4 9 R
H T 4 9 R
H T 4 9 R
N o t im p le m e n te d
E v
1 :
0 :
P u
1 :
0 :
e n t C
c o u n
c o u n
ls e W
s ta rt
s ta rt
u n te
5 0 A
7 0 A
U 8 0
, re a
r C o n
-1 /H T
-1 /H T
/H T 4 9
d a s "
tro l
4 9 C
4 9 C
C U
0 "
R e g is te r
5 0 -1 /H T 4 9 C 5 0 L
7 0 -1 /H T 4 9 C 7 0 L
8 0
o u n te r A c
t o n fa llin g
t o n r is in g
id th M e a s
c o u n tin g o
c o u n tin g o
tiv e E d g
e d g e
e d g e
u re m e n
n r is in g
n fa llin g
e S e le c t
t A c tiv e E d g e S e le c t
e d g e , s to p o n fa llin g e d g e
e d g e , s to p o n r is in g e d g e
T im e r /E v e n t C o u n te r C o u n tin g E n a b le
1 : e n a b le
0 : d is a b le
T im e r /E v e n t C o u n te r C lo c k S o u r c e
1 : f
S Y S
/4
0 : f
S Y S
o r T M R 0 o v e r flo w o r tim e b a s e in te r r u p t s ig n a l
O p e r a tin
T 1 M 1 T
0
0
1
1
g M o d e
1 M 0
n o
0
e v
1
tim
0
1
p u
S e le c t
m o d
e n t c
e r m
ls e w
e a v a ila b le
o u n te r m o d e
o d e
id th m e a s u r e m e n t m o d e
63
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