HD6417705 Datasheet, PDF (355/739 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 12 Timer Unit (TMU)
This LSI includes a three-channel 32-bit timer unit (TMU).
12.1 Features
• Each channel is provided with an auto-reload 32-bit down counter
• All channels are provided with 32-bit constant registers and 32-bit down counters for an auto-
reload function that can be read or written to at any time
• All channels generate interrupt requests when the 32-bit down counter underflows
(H'00000000 → H'FFFFFFFF)
• Only channel 2 is provided with an input capture function
• Allows selection among five counter input clocks: External clock (TCLK), Pφ/4, Pφ/16, Pφ/64,
and Pφ/256
TIMTMU2A_000020020100
Rev. 2.00, 09/03, page 309 of 690