HT45R37_10 Datasheet, PDF (27/100 Pages) Holtek Semiconductor Inc – TinyPower C/R-F Type 8-Bit OTP MCU

S y s te m C lo c k
S y s te m C lo c k /4
S1
S2
O VB=0
T im e r A
RCOCON
T im e r B
O VB=1
C /R to F O u tp u t
C/R to F Converter
HT45R37
C /R to F C o n v e rte r In te rru p t
R esetR C O C O N
b7
RCOM 2 RCOM 1 RCOM 0 RCOCON
b0
R C O C C R R e g is te r
N o t im p le m e n te d , r e a d a s " 0 "
U n d e fin e d b it, th is b it c a n r e a d /w r ite
E n a b le o r d is a b le C /R to F c o n v e r te r
D e fin e th e T im e r A
RCOM 2 RCOM 1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
c lo c k s o u r c e
RCOM 0
0
1
0
1
0
1
0
1
s y s te m c lo c k
s y s te m c lo c k /4
unused
unused
unused
unused
unused
unused
RCOCCR Register
RW RW RW RW
b0
RCO O VB
R C O C C R R e g is te r
0 : T im e r A o v e r flo w
1 : T im e r B o v e r flo w
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 "
4 - b it r e a d /w r ite r e g is te r s fo r u s e r d e fin e d
RCOCR Register
Rev. 1.10
27
January 29, 2010