Laptop User Manual

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
Timer 4 auto reload on/off [22] Determine auto reload on/off for Timer 4.
0 = One-shot 1 = Interval mode (auto reload)
0
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.