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Renesas HD6417641 Network Card User Manual

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Section 18 Multi-Function Timer Pulse Unit (MTU)

Rev. 4.00 Sep. 14, 2005 Page 592 of 982

REJ09B0023-0400

Table 18.40 Register Settings for Complementary PWM Mode

Channel Counter/Register Description Read/Write from CPU

3 TCNT_3 Start of up-count from value set

in dead time register

Maskable by

PTE/PEMTURWE setting*

TGRA_3 Set TCNT_3 upper limit value

(1/2 carrier cycle + dead time)

Maskable by

PTE/PEMTURWE setting*

TGRB_3 PWM output 1 compare register Maskable by

PTE/PEMTURWE setting*

TGRC_3 TGRA_3 buffer register Always readable/writable

TGRD_3 PWM output 1/TGRB_3 buffer

register

Always readable/writable

4 TCNT_4 Up-count start, initialized to

H'0000

Maskable by

PTE/PEMTURWE setting*

TGRA_4 PWM output 2 compare register Maskable by

PTE/PEMTURWE setting*

TGRB_4 PWM output 3 compare register Maskable by

PTE/PEMTURWE setting*

TGRC_4 PWM output 2/TGRA_4 buffer

register

Always readable/writable

TGRD_4 PWM output 3/TGRB_4 buffer

register

Always readable/writable

Timer dead time data register

(TDDR)

Set TCNT_4 and TCNT_3 offset

value (dead time value)

Maskable by

PTE/PEMTURWE setting*

Timer cycle data register

(TCDR)

Set TCNT_4 upper limit value

(1/2 carrier cycle)

Maskable by

PTE/PEMTURWE setting*

Timer cycle buffer register

(TCBR)

TCDR buffer register Always readable/writable

Subcounter (TCNTS) Subcounter for dead time

generation

Read-only

Temporary register 1 (TEMP1) PWM output 1/TGRB_3

temporary register

Not readable/writable

Temporary register 2 (TEMP2) PWM output 2/TGRA_4

temporary register

Not readable/writable

Temporary register 3 (TEMP3) PWM output 3/TGRB_4

temporary register

Not readable/writable

Note: * Access can be enabled or disabled according to the setting of bit 0 (MTURWE) in

PTE/PEMTURWE (port E/port E MTU R/W enable register).

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