M32CSLASH86 datasheet(290/505 Pages) RENESAS

290 / 505 page

Page 267

22. Intelligent I/O

)

(

Figure 22.5 G1TMCR0 to G1TMCR7 Registers, G1TPR6 and G1TPR7 Registers

Time Measurement Control Register 1j (j=0 to 7)

Symbol

G1TMCR0 to G1TMCR3

G1TMCR4 to G1TMCR7

Address

011816, 011916, 011A16, 011B16

011C16, 011D16, 011E16, 011F16

After Reset

0016

Bit Name

Function

Bit

Symbol

CTS0

CTS1

DF0

Time Measurement

Trigger Select Bit

DF1

Gate Function

Select Bit(1)

GOC

GSC

Digital Filter Function

Select Bit

Gate Function Clear

Select Bit(1, 2, 3)

0 : Gate function is not used

1 : Gate function is used

Gate Function Clear

Bit(1, 2)

Prescaler Function

Select Bit(1)

: No time measurement

: Rising edge

: Falling edge

: Both edges

: No digital filter

: Do not set to this value

: fBT1

: f1

0 : Not cleared

1 : The gate is cleared when the base

timer matches the GiPOk register

The gate is cleared by setting the

GSC bit to "1"

0 : Not used

1 : Used

NOTES:

1. The GT, GOC, GSC and PR bits in the G1TMCR6 and G1TMCR7 registers can be used to select

these functions.

Set all bits 7 to 4 in the G1TMCR0 to G1TMCR5 registers to "0".

2. The GOC and GSC bits are enabled only when the GT bit is set to "1".

3. The GOC bit is set to "0" after the gate function is cleared. See Figure 22.7 about the G1POk register

(k=4 when j=6 and k=5 when j=7).

Time Measurement Prescaler Register 1j (j=6,7)

Symbol

Address

After Reset

G1TPR6, G1TPR7

012416, 012516

0016

Function

Setting Range

If the setting value is n, the base timer value is

stored into G1TMj register whenever a trigger input

is counted by n+1(1)

0016 to FF16

NOTES:

1. The first prescaler, after the PR bit setting in the G1TMCRj register is changed from "0" (not used) to

"1" (used), may be divided by n rather than n+1. The subsequent prescaler is divided by n+1.

M32C/86 Datasheet(PDF) 290 Page - Renesas Technology Corp

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