M30620FCAFP datasheet(360/615 Pages) RENESAS

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Timer B

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-43

Figure 2.3.5. Set-up procedure of timer mode

Setting counter value

Can be set to 000016 to FFFF16

(b15)

(b8)

Timer B0 register [Address 039116, 039016]TB0

Timer B1 register [Address 039316, 039216]TB1

Timer B2 register [Address 039516, 039416]TB2

Timer B3 register [Address 035116, 035016]TB3

Timer B4 register [Address 035316, 035216]TB4

Timer B5 register [Address 035516, 035416]TB5

Start count

Setting clock prescaler reset flag

(This function is effective when fC32 is selected as the count source. Reset the prescaler for generating fC32 by

dividing the XCIN by 32.)

Clock prescaler reset flag [Address 038116]

CPSRF

Clock prescaler reset flag

0 : No effect

1 : Prescaler is reset (When read, the value is “0”)

Setting count start flag

Count start flag

[Address 038016]

TABSR

Timer B0 count start flag

Timer B1 count start flag

Timer B2 count start flag

Selecting timer mode and functions

Invalid in timer mode

Can be “0” or “1”

Timer Bi mode register (i=0 to 5) [Address 039B16 to 039D16, 035B16 to 035D16]

TBiMR (i=0 to 5)

Fixed to “0” in timer mode ( i = 0, 3)

In an attempt to write to this bit, write “0” (i = 1, 2, 4, 5)

Selection of timer mode

Invalid in timer mode

Count source select bit

0 0 : f1

0 1 : f8

1 0 : f32

1 1 : fC32

b7 b6

Count source period

f(XIN) : 16MHZ

f(XcIN) : 32.768kHZ

b7 b6

Count

source

62.5ns

500ns

2µs

976.56µs

f32

fC32

Timer B3,4,5 count start

flag

[Address 034016]

TBSR

Timer B3 count start flag

Timer B4 count start flag

Timer B5 count start flag

M30620FCAFP Datasheet(PDF) 360 Page - Renesas Technology Corp

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