HT46R12A Holtek Semiconductor Inc., HT46R12A Datasheet - Page 16

• Manufacturer Part Number: HT46R12A
• Description: Ht46r12a -- A/d Type 8-bit Otp Mcu
• Manufacturer: Holtek Semiconductor Inc.

Rev. 1.00
Bit No.
0
1
2
3
4
5
6
7
T0PSC0
T0PSC1
T0PSC2
T0ON
Label
T0M0
T0M1
T0E
Define the prescaler stages, T0PSC2, T0PSC1, T0PSC0=
000: f
001: f
010: f
011: f
100: f
101: f
110: f
111: f
Defines the TMR0 active edge of the timer/event counter:
In Event Counter Mode (T0M1,T0M0)=(0,1):
1:count on falling edge;
0:count on rising edge
In Pulse Width measurement mode (T0M1,T0M0)=(1,1):
1: start counting on the rising edge, stop on the falling edge;
0: start counting on the falling edge, stop on the rising edge
Enable/disable the timer counting
(0=disable; 1=enable)
Unused bit, read as 0
Define the operating mode (T0M1, T0M0)
01 = Event count mode (External clock)
10 = Timer mode (Internal clock)
11 = Pulse Width measurement mode (External clock)
00 = Unused
INT
INT
INT
INT
INT
INT
INT
INT
=f
=f
=f
=f
=f
=f
=f
=f
SYS
SYS
SYS
SYS
SYS
SYS
SYS
SYS
Timer/Event Counter 0
Timer/Event Counter 1
TMR0C (0EH) Register
/2
/4
/8
/16
/32
/64
/128
PFD Source Option
16
Function
HT46R12A
August 3, 2007