HD6432142 datasheet(402/1177 Pages) RENESAS

402 / 1177 page

Section 12 8-Bit Timers

Rev. 4.00 Sep 27, 2006 page 358 of 1130

REJ09B0327-0400

Bit 7—TMRX/TMRY Access Select (TMRX/Y): The TMRX and TMRY registers can only be

accessed when the HIE bit in SYSCR is cleared to 0. In the H8S/2148 Group, some of the TMRX

registers and the TMRY registers are assigned to the same memory space addresses (H'FFF0 to

H'FFF5), and the TMRX/Y bit determines which registers are accessed. In the H8S/2144 Group

and H8S/2147N, there is no control of TMRY register access by this bit.

Bit 7

Accessible Registers

TMRX/Y

H'FFF0

H'FFF1

H'FFF2

H'FFF3

H'FFF4

H'FFF5

H'FFF6

H'FFF7

(Initial value)

TMRX

TCRX

TMRX

TCSRX

TMRX

TICRR

TMRX

TICRF

TMRX

TCNTX

TMRX

TCORC

TMRX

TCORAX

TMRX

TCORBX

1TMRY

TCRY

TMRY

TCSRY

TMRY

TCORAY

TMRY

TCORBY

TMRY

TCNTY

TMRY

TISR

12.2.9

Input Capture Register (TICR) [TMRX Additional Function]

—

Bit

Initial value

Read/Write

TICR is an 8-bit internal register to which the contents of TCNT are transferred on the falling edge

of external reset input. The CPU cannot read or write to TICR directly.

The TICR function is used in timer connection. For details, see section 13, Timer Connection.

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