Chapter 12 16-Bit Interval Timer Z (Tmz); Overview - NEC V850E/Dx3 Preliminary User's Manual

Chapter 12 16-bit Interval Timer Z (TMZ)

Features summary
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Timer Z (TMZ) is a general purpose 16-bit timer/counter.
The V850E/Dx3 microcontrollers have following instances of the general
purpose Timer Z:
TMZ
Instances
Names
Throughout this chapter, the individual instances of Timer Z are identified by
"n", for example TMZn, or TZnCTL for the TMZn control register.

12.1 Overview

Each Timer Z has one down-counter. When the counter reaches zero, the
timer generates the maskable interrupt INTTZnUV.
The TMZ can be used as:
• Interval timer
• Free running timer
Special features of the TMZ are:
• One of six peripheral clocks can be selected
• One reload register
• Two readable counter registers
• When the device is in debug mode, the timer can be stopped at breakpoint
• TMZ0, TMZ1, and TMZ2 can be used for triggering the DMA Controller.
• TMZ5 can be used for triggering the A/D Converter.
• All TMZn can be optionally stopped when a breakpoint is hit during
debugging (refer to "On-Chip Debug Unit" on page 877).
Preliminary User's Manual U17566EE1V2UM00
µPD70F3427, µPD70F3426
µPD70F3425, µPD70F3424
10
TMZ0 to TMZ9
µPD70F3423, µPD70(F)3422
µPD70(F)3421, µPD70(F)3420
6
TMZ0 to TMZ5
429