HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 385

• Manufacturer Part Number: HD6437101
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

This LSI has an on-chip compare match timer (CMT) comprising two 16-bit timer channels. The
CMT has 16-bit counters and can generate interrupts at set intervals.
12.1
• Four types of counter input clock can be selected
• Interrupt sources
• Module standby mode can be set
Figure 12.1 shows a block diagram of the CMT.
TIMCMT0A_010020030200
Legend:
CMSTR: Compare match timer start register
CMCSR: Compare match timer control/status register
CMCOR: Compare match timer constant register
CMCNT: Compare match timer counter
CMI:
One of four internal clocks (Pφ/8, Pφ/32, Pφ/128, Pφ/512) can be selected independently for
each channel.
A compare match interrupt can be requested independently for each channel.
Features
Compare match interrupt
Section 12 Compare Match Timer (CMT)
Control circuit
CMI0
Figure 12.1 CMT Block Diagram
Pφ/8
Clock selection
Module bus
Pφ/32
Pφ/128
Pφ/512
Rev.1.00 Sep. 18, 2008 Page 351 of 522
CMT
Control circuit
Section 12 Compare Match Timer (CMT)
CMI1
Internal bus
Pφ/8
REJ09B0069-0100
Clock selection
interface
Pφ/32
Bus
Pφ/128
Pφ/512