Overview; Functions - Panasonic MN101L Series User Manual

Chapter 8
8-bit Timer

8.1 Overview

This LSI has six 8-bit timers (Timer 0 to Timer 5).
I/O pins used for each 8-bit Timer has three pin groups, Group-A and Group-B. (ex. Timer 0 has TM0IOA and
TM0IOB.)
In this chapter, the suffix of "A" and "B" is omitted to describe functions of 8-bit Timer.
8.1.1

Functions

Table:8.1.1 shows functions that can be used for each timer.
Interrupt source TM0IRQ
Event count TM0IOA(P05)
TM0IOB(P03)
Timer pulse
output
PWM output
PWM output with
additional pulses
External
Pulse width Interrupt 0
measurement (IRQ0A/P10)
(IRQ0B/P60)
Cascade
√ (16-bit counter)
connection
HCLK
HCLK/4
HCLK/16
HCLK/32
HCLK/64
Clock source
SYSCLK/2
SYSCLK/4
SCLK
TM0IO input
HCLK: Machine clock (for high-speed operation)
SCLK: Machine clock (for low-speed operation)
SYSCLK: System clock [4.1 Clock Control]
VIII - 2 Overview
Table:8.1.1 8-bit Timer Functions
Timer 0 Timer 1
(8-bit) (8-bit)
TM1IRQ
TM1IOA(P55)
TM1IOB(P20)
-
-
-
HCLK
HCLK/4
HCLK/16
HCLK/64
HCLK/128
SYSCLK/2
SYSCLK/8
SCLK
TM1IO input
Timer 2 Timer 3
(8-bit) (8-bit)
TM2IRQ TM3IRQ
TM2IOA(P05) TM3IOA(P56)
TM2IOB(P02) TM3IOB(P72)
-
-
External
Interrupt 2
-
(IRQ2A/P80)
(IRQ2B/P62)
√ (16-bit counter)
HCLK HCLK
HCLK/4 HCLK/4
HCLK/16 HCLK/16
HCLK/32
HCLK/64 HCLK/64
HCLK/128
SYSCLK/2 SYSCLK/2
SYSCLK/4
SYSCLK/8
SCLK SCLK
TM2IO input TM3IO input
Timer 4 Timer 5
(8-bit) (8-bit)
TM4IRQ PERI0IRQ0
TM4IOA(P34) TM5IOA(P21)
TM4IOB(P01) TM5IOB(P73)
-
-
External
Interrupt 4
(IRQ4A/P14) -
(IRQ4B/P72)
(IRQ4C/P12)
√ (16-bit counter)
HCLK HCLK
HCLK/4 HCLK/4
HCLK/16 HCLK/16
HCLK/32
HCLK/64 HCLK/64
HCLK/128
SYSCLK/2 SYSCLK/2
SYSCLK/4
SYSCLK/8
SCLK SCLK
TM4IO input TM5IO input