Timer/Counter 0 Or 1 In Mode 1 (16-Bit Counter); Timer/Counter 0 Or 1 In Mode 2 (8-Bit Auto-Reload) - Philips P89LPC920 User Manual

Philips Semiconductors
TIMERS 0 AND 1
PCLK
Tn Pin
TRn
Gate
INTn Pin
PCLK
Tn Pin
TRn
Gate
INTn Pin
PCLK
T0 Pin
TR0
Gate
INT0 Pin
2003 Dec 8
C/T = 0
C/T = 1
Figure 7-5: Timer/Counter 0 or 1 in Mode 1 (16-bit counter)
C/T = 0
C/T = 1
Figure 7-6: Timer/Counter 0 or 1 in Mode 2 (8-bit auto-reload)
C/T = 0
C/T = 1
Osc / 2
TR1
Figure 7-7: Timer/Counter 0 Mode 3 (two 8-bit counters)
TLn
(8-bits)
Control
TLn
(8-bits)
Control
Reload
THn
(8-bits)
TL0
(8-bits)
Control
TH0
(8-bits)
Control
45
User's Manual - Preliminary -
P89LPC920/921/922
Overflow
THn
TFn
(8-bits)
Toggle
ENTn
Overflow
TFn
Toggle
ENTn
Overflow
TF0
Toggle
ENT0
(AUXR1.4)
Overflow
TF1
Toggle
ENT1 (AUXR1.5)
Interrupt
Tn Pin
Interrupt
Tn Pin
Interrupt
T0 Pin
(P1.2
open drain )
Interrupt
T1 Pin
(P0.7)