
S3C2440A RISC MICROPROCESSOR
PWM TIMER
10-13
TIMER CONTROL (TCON) REGISTER
Register
Address
R/W
Description
Reset Value
TCON
0x51000008
R/W
Timer control register
0x00000000
TCON
Bit
Description
Initial state
0
Timer 4 auto reload on/off
[22]
Determine auto reload on/off for Timer 4.
0 = One-shot 1 = Interval mode (auto reload)
Timer 4 manual update
(note)
[21]
Determine the manual update for Timer 4.
0 = No operation 1 = Update TCNTB4
0
Timer 4 start/stop
[20]
Determine start/stop for Timer 4.
0 = Stop 1 = Start for Timer 4
0
Timer 3 auto reload on/off
[19]
Determine auto reload on/off for Timer 3.
0 = One-shot 1 = Interval mode (auto reload)
0
Timer 3 output inverter on/off
[18]
Determine output inverter on/off for Timer 3.
0 = Inverter off 1 = Inverter on for TOUT3
0
Timer 3 manual update
(note)
[17]
Determine manual update for Timer 3.
0 = No operation 1 = Update TCNTB3 & TCMPB3
0
Timer 3 start/stop
[16]
Determine start/stop for Timer 3.
0 = Stop 1 = Start for Timer 3
0
Timer 2 auto reload on/off
[15]
Determine auto reload on/off for Timer 2.
0 = One-shot 1 = Interval mode (auto reload)
0
Timer 2 output inverter on/off
[14]
Determine output inverter on/off for Timer 2.
0 = Inverter off 1 = Inverter on for TOUT2
0
Timer 2 manual update
(note)
[13]
Determine the manual update for Timer 2.
0 = No operation 1 = Update TCNTB2 & TCMPB2
0
Timer 2 start/stop
[12]
Determine start/stop for Timer 2.
0 = Stop 1 = Start for Timer 2
0
Timer 1 auto reload on/off
[11]
Determine the auto reload on/off for Timer1.
0 = One-shot 1 = Interval mode (auto reload)
0
Timer 1 output inverter on/off
[10]
Determine the output inverter on/off for Timer1.
0 = Inverter off 1 = Inverter on for TOUT1
0
Timer 1 manual update
(note)
[9]
Determine the manual update for Timer 1.
0 = No operation 1 = Update TCNTB1 & TCMPB1
0
Timer 1 start/stop
[8]
Determine start/stop for Timer 1.
0 = Stop 1 = Start for Timer 1
0
NOTE:
The bits have to be cleared at next writing.