HD6417705 Datasheet, PDF (360/739 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Bit Bit Name Initial Value R/W Description
4 CKEG1 0
R/W Clock Edge
3 CKEG0 0
R/W Select an input edge of the external clock when the
external clock is selected.
00: Count on rising edge
01: Count on falling edge
1X: Count on both rising and falling edges
Note: X: Don’t care
2 TPSC2 0
R/W Timer Prescaler
1 TPSC1 0
R/W Select the TCNT count clock.
0 TPSC0 0
R/W 000: Count on Pφ/4
001: Count on Pφ/16
010: Count on Pφ/64
011: Count on Pφ/256
100: Setting prohibited
101: Count on TCLK pin input
110: Setting prohibited
111: Setting prohibited
Note: * Only 0 can be written for clearing the flags. If 1 is written to this bit, the prior value is
retained.
Rev. 2.00, 09/03, page 314 of 690