HD64F36049 datasheet(194/562 Pages) RENESAS

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Section 11 Timer B1

Rev. 3.00 Mar. 15, 2006 Page 162 of 526

REJ09B0060-0300

11.3

The timer B1 has the following registers.

• Timer mode register B1 (TMB1)

• Timer counter B1 (TCB1)

• Timer load register B1 (TLB1)

11.3.1

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



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.

HD64F36049 Datasheet(PDF) 194 Page - Renesas Technology Corp

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