Rev. 1.0, 02/00, page 3 of 1141
Item
Specifications
Timer
Timer L
•
8-bit up/down counter
•
Clock source can be selected among 2 types of internal clock, CFG
frequency division signal, and PB and REC-CTL (control pulse)
•
Compare-match clearing function/auto reload function
Timer R
•
Three reload timers
•
Mode discrimination
•
Reel control
•
Capstan motor acceleration/deceleration detection function
•
Slow tracking mono-multi
Timer X1
•
16-bit free-running counter
•
Clock source can be selected among 3 types of internal clock and
DVCFG
•
Two output compare outputs
•
Four input capture inputs
Watchdog timer
•
Functions as watchdog timer or 8-bit interval timer
•
Generates reset signal or NMI at overflow
Prescaler unit
Divides system clock frequency and generates frequency division
clock for supporting module functions
Divides subclock frequency and generates input clock for Timer A
(clock time base)
Generates 8-bit PWM frequency and duty period
8-bit input capture at external signal edge
Frequency division clock output enabled
PWM
•
Three types of PWM are incorporated
14-bit PWM: Pulse resolution type x 1 channel
8-bit PWM: Duty control type x 4 channels
12-bit PWM: Pulse pitch control type x 2 channels