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SH7785 Datasheet, PDF (829/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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18. Timer Unit (TMU)
Section 18 Timer Unit (TMU)
This LSI includes an on-chip 32-bit timer unit (TMU), which has six channels (channels 0 to 5).
18.1 Features
The TMU has the following features.
⢠Auto-reload type 32-bit down-counter provided for each channel
⢠Input capture function provided only for channel 2
⢠Selection of rising edge or falling edge as external clock input edge when external clock is
selected or input capture function is used: Channels 0 to 2
⢠32-bit timer constant register for auto-reload use, readable/writable at any time, and 32-bit
down-counter provided for each channel
⢠Selection of six counter input clocks: Channels 0 to 2
External clock (TCLK) and five internal clocks (Pck/4, Pck/16, Pck/64, Pck/256, and
Pck/1024) obtained by dividing the peripheral clock (Pck is the peripheral clock).
⢠Selection of five counter input clocks: Channels 3 to 5
Five internal clocks (Pck/4, Pck/16, Pck/64, Pck/256, and Pck/1024) (Pck is the peripheral
clock).
⢠Two interrupt sources
One underflow source (each channel) and one input capture source (channel 2).
Rev.1.00 Jan. 10, 2008 Page 799 of 1658
REJ09B0261-0100
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