User`s guide

Enhanced Timers LZ87010 Advance User’s Guide
8-6 1/15/03
Figure 8-4. Timer Block Diagram (Does Not Show Capture and Compare)
N+1
LZ87010-80
T(x)CON.CLK_SEL
MUX
PCLK
XTAL_SUB
(See Note)
CTIN(x)
0 1 2 3
2
CLOCK
DIVIDER
T(x)CNT[H:L]
CLK CLR
OVF
T(x)CON.DIV
CLOCK SOURCE
CLOCK DIVIDER
T(x)CON.CS
ENABLE COUNTER
T(x)CON.CCL
CLEAR COUNTER
CLEAR ON
COMPARE
TO COMPARE AND
CAPTURE FUNCTIONS
COMPARE,
CAPTURE
T(x)STA.OVF_ST
OVERFLOW STATUS BIT
16-BIT COUNTER
OVERFLOW INTERRUPT
ENABLE
TO INTERRUPT
CONTROLLER
T(x)STA.OVF_EN
3
16
TIMER
NOTE
INPUT 2
TIMER 2 TIMER 3 TIMER 4 TIMER 5
TM3CMP1
RESERVED
TM5CMP1
RESERVED
T(x)CON.DIV CLOCK DIVISOR
0b000 0b001 0b010 0b011 0b100 0b101 0b110 0b111
1 2
4
8 16 32 64 (TIMER 2 and TIMER 4) 128
0b111 (TIMER 3 and TIMER 5) 32,768