HT48CU80 Holtek Semiconductor, HT48CU80 Datasheet - Page 18

• Manufacturer Part Number: HT48CU80
• Description: (HT48RU80 / HT48CU80) I/O Type 8-Bit MCU
• Manufacturer: Holtek Semiconductor

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Rev. 1.00
Bit No.
Bit No.
Bit No.
0~2, 5
0~2, 5
0~2
3
4
6
7
3
4
6
7
3
4
5
6
7
T2PSC0~
T2PSC2
Label
T0ON
Label
T1ON
Label
T2ON
T0M0
T0M1
T1M0
T1M1
T2M0
T2M1
T0E
T1E
T2E
Unused bit, read as 0
Defines the TMR0 active edge of the Timer/Event Counter 0
(0=active on low to high; 1=active on high to low)
Enables or disables the Timer 0 counting (0=disable; 1=enable)
Defines the operating mode
01=Event count mode (external clock)
10=Timer mode (internal clock)
11=Pulse width measurement mode
00=Unused
Unused bit, read as 0
Defines the TMR1 active edge of the Timer/Event Counter 1
(0=active on low to high; 1=active on high to low)
Enables or disables the Timer 1 counting (0=disable; 1=enable)
Defines the operating mode
01=Event count mode (external clock)
10=Timer mode (internal clock)
11=Pulse width measurement mode
00=Unused
Defines the prescaler stages
000: f
001: f
010: f
011: f
100: f
101: f
110: f
111: f
Defines the active edge of the TMR2 pin input signal
(0=active on low to high; 1=active on high to low)
Enables or disables the timer counting (0=disable; 1=enable)
Unused bit, read as 0
Defines the operating mode
01=Event count mode (external clock)
10=Timer mode (internal clock)
11=Pulse width measurement mode
00=Unused
INT
INT
INT
INT
INT
INT
INT
INT
=f
=f
=f
=f
=f
=f
=f
=f
S
S
S
S
S
S
S
S
/2
/4
/8
/16
/32
/64
/128
/256
TMR0C (0EH) Register
TMR2C (22H) Register
TMR1C (11H) Register
18
Function
Function
Function
HT48RU80/HT48CU80
April 12, 2006