Samsung S3C2440A User Manual
Page 297

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.