Rainbow Electronics MAXQ7667 - Manual (Page 22)

MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
22 ______________________________________________________________________________________
T2Vx REGISTER
16-BIT UP-COUNTER
T2Rx REGISTER
16-BIT RELOAD
CAPTURE
EQUAL
OVERFLOW
RELOAD
CLOCK
T2Cx REGISTER
16-BIT CAPTURE/COMPARE
OUTPUT CONDITIONING
POLARITY SELECTION
INPUT CONDITIONING
SCALING
GATING
Figure 9. Type 2 Timer/Counter in 16-Bit Mode
PROGRAMMABLE
DIVIDE BY
1, 2, 4, ..., 128
COMPARATOR
STIM = SALM
SALM
REGISTER
SALM[15:0]
STIM
16-BIT UP-
COUNTER
SCNT.11:STDIV2
SCNT.0:STIME
CLR
CLR
SCHEDULE TIMER
SYSTEM
CLOCK
MAXQ7667
SCNT.8:SSYNC_EN
SCNT.7:SALIE
SCNT.1:SALME
INT
AN INTERRUPT IS
GENERATED WHEN
SALIE = 1 AND
SALMF = 1
SCNT.6:SALMF
STIM[15:0]
P1.7/SYNC
Figure 8. Schedule-Timer Module Block Diagram