HD64F36034 datasheet(177/592 Pages) RENESAS

177 / 592 page

Section 10 Timer B1

Rev. 4.00 Mar. 15, 2006 Page 145 of 556

REJ09B0026-0400

10.3

The timer B1 has the following registers.

• Timer mode register B1 (TMB1)

• Timer counter B1 (TCB1)

• Timer load register B1 (TLB1)

10.3.1

Timer Mode Register B1 (TMB1)

TMB1 selects the auto-reload function and input clock.

Bit

Bit Name

Initial

Value

R/W

Description

TMB17

R/W

Auto-reload function select

0: Interval timer function selected

1: Auto-reload function selected

6 to 3



All 1



Reserved

These bits are always read as 1.

TMB12

TMB11

TMB10

R/W

Clock select

000: Internal clock:

φ/8192

001: Internal clock:

φ/2048

010: Internal clock:

φ/512

011: Internal clock:

φ/256

100: Internal clock:

φ/64

101: Internal clock:

φ/16

110: Internal clock:

φ/4

111: External event (TMIB1): rising or falling edge*

Note: * The edge of the external event signal is selected

by bit IEG1 in the interrupt edge select register 1

(IEGR1). See section 3.2.1, Interrupt Edge

Select Register 1 (IEGR1), for details. Before

setting TMB12 to TMB10 to 1, IRQ1 in the port

mode register 1 (PMR1) should be set to 1.

HD64F36034 Datasheet(PDF) 177 Page - Renesas Technology Corp

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