SH7050 Datasheet, PDF (298/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Section 10 Advanced Timer Unit (ATU)
General Registers 2A and 2B (GR2A and GR2B)
Bit: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Initial value: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Channel 2 compare-match signals can be transmitted to the advanced pulse controller (APC). For
details, see section 11, Advanced Pulse Controller (APC).
General Registers 3A to 3D, 4A to 4D, 5A, and 5B (GR3A to GR3D, GR4A to GR4D, GR5A,
GR5B)
Bit: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Initial value: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
10.2.15 Down-Counters (DCNT)
The DCNT registers are 16-bit down-counters. The ATU has eight DCNT counters in channel 10.
Channel
10
Abbreviation
DCNT10A, DCNT10B,
DCNT10C, DCNT10D,
DCNT10E, DCNT10F,
DCNT10G, DCNT10H
Description
Down-counter
Down-Counters 10A to 10H (DCNT10A to DCNT10H): Down-counters 10A to 10H
(DCNT10A to DCNT10H) are 16-bit readable/writable registers that count on an input clock. The
input clock is selected with prescaler register 1 (PSCR1) and the timer control register (TCR).
Bit: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Initial value: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Rev. 5.00 Jan 06, 2006 page 278 of 818
REJ09B0273-0500