Enhanced Type Tm - Etm - Holtek HT68F Series Manual

Enhanced Type TM – ETM
The Enhanced Type TM contains five operating modes, which are Compare Match Output,
Timer/Event Counter, Capture Input, Single Pulse Output and PWM Output modes. The Enhanced TM
can also be controlled with an external input pin and can drive three or four external output pins.
ETM
HT68F20
HT68F30 10-bit ETM
HT68F�0 10-bit ETM
HT68F50 10-bit ETM
HT68F60 10-bit ETM
f / 4 0 0 0
S Y S
f 0 0 1
S Y S
f / 1 6
0 1 0
H
f / 6 4 0 1 1
H
1 0 - b i t U p / D o w n C o u n t e r
f 1 0 0
T B C
R e s e r v e d
1 0 1
1 1 0
T n O N
T C K n 1 1 1
T n P A U
T n C K 2 ~ T n C K 0
Rev. 2.10
HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
Name TM No. TM Input Pin
— —
1 TCK1
1 TCK1
1 TCK1
1 TCK1
C C R P
C o m p a r a t o r P M a t c h
3 - b i t C o m p a r a t o r P
b 7 ~ b 9
C o u n t e r
0
C l e a r
1
T n C C L R
b 0 ~ b 9
C o m p a r a t o r A M a t c h
1 0 - b i t
C o m p a r a t o r A
T n A I O 1 , T n A I O 0
C C R A
E d g e
D e t e c t o r
C o m p a r a t o r B M a t c h
1 0 - b i t
C o m p a r a t o r B
C C R B
E d g e
D e t e c t o r
T n B I O 1 , T n B I O 0
Enhanced Type TM Block Diagram
1�2
TM Output Pin
— —
TP1A; TP1B_0� TP1B_1
TP1A� TP1B_0� TP1B_1� TP1B_2
TP1A� TP1B_0� TP1B_1� TP1B_2
TP1A� TP1B_0� TP1B_1� TP1B_2
T n P F I n t e r r u p t
T n A O C
O u t p u t P o l a r i t y
C o n t r o l C o n t r o l
T n A M 1 , T n A M 0 T n A P O L
T n A I O 1 , T n A I O 0
T n A F
I n t e r r u p t
T n B O C
O u t p u t P o l a r i t y
C o n t r o l C o n t r o l
T n B F
I n t e r r u p t
T n B M 1 , T n B M 0 T n B P O L
T n B I O 1 , T n B I O 0
T P n A P i n
T P n A
I n p u t / O u t p u t
T P n B - 0
T P n B P i n
T P n B - 1
I n p u t / O u t p u t
T P n B - 2
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