HT56R62_12 Datasheet, PDF (44/108 Pages) Holtek Semiconductor Inc – TinyPowerTM A/D Type with LCD 8-Bit OTP MCU

HT56R62/HT56R65
HT56R642/HT56R644/HT56R654/HT56R656
D a ta B u s
TnP S C 2~TnP S C 0
TnM 1 TnM 0
(1 /1 ~ 1 /1 2 8 )
P r e lo a d R e g is te r
R e lo a d
fS Y S
7 - s ta g e P r e s c a le r
TM R n
F ilte r
F ilte r O n /O ff
TnE
C o n fig u r a tio n o p tio n
T im e r /E v e n t C o u n te r
M o d e C o n tro l
TnO N
T im e r /E v e n t
C o u n te r
8 - b it T im e r /E v e n t C o u n te r _{¸ 2}
O v e r flo w
to In te rru p t
PFD 0
8-bit Timer/Event Counter Structure
D a ta B u s
E x te rn a l 3 2 7 6 8 H z
M
U
In te rn a l 3 2 K -IN T
X
fS Y S /4
M
fS U B
U
X
C o n fig u r a tio n ^{T n S}
O p tio n
TM R n
F ilte r
F ilte r O n /O ff
TnE
C o n fig u r a tio n o p tio n
TnM 1
TnM 0
T im e r /E v e n t C o u n te r
M o d e C o n tro l
TnO N
L o w B y te
B u ffe r
1 6 - B it
P r e lo a d R e g is te r
R e lo a d
H ig h B y te L o w B y te
1 6 - b it T im e r /E v e n t C o u n te r
¸2
O v e r flo w
to In te rru p t
PFD 1
16-bit Timer/Event Counter Structure
PFD 0
M
U
PFD
PFD 1
X
C o n fig u r a tio n
O p tio n
b7
TnM 1 TnM 0
b0
T n O N T n E T n P S C 2 T n P S C 1 T n P S C 0 T M R n C R e g is te r (n = 0 - H T 5 6 R 6 2 /6 4 2 /6 4 4
n=1 -H T56R 62
n = 0 , 2 - H T 5 6 R 6 5 /6 5 4 /6 5 6 )
T im e r p r e s c a le r r a te s e le c t
TnP S C 2
0
0
0
0
1
1
1
1
TnP S C 1
0
0
1
1
0
0
1
1
TnP S C 0
0
1
0
1
0
1
0
1
T im e r R a te
1 :1
1 :2
1 :4
1 :8
1 :1 6
1 :3 2
1 :6 4
1 :1 2 8
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
N o t im p le m e n te d , r e a d a s " 0 "
O p e r a tin g m o d e s e le c t
TnM 1
0
0
1
1
TnM 0
0
1
0
1
n o m o d e a v a ila b le
e v e n t c o u n te r m o d e
tim e r m o d e
p u ls e w id th m e a s u r e m e n t m o d e
Timer/Event Counter Control Register - TMRnC
Rev. 1.20
44
May 11, 2012