H8SX1663 datasheet(635/1158 Pages) RENESAS

635 / 1158 page

Section 11 Programmable Pulse Generator (PPG)

Rev.1.00 Jun. 07, 2006 Page 583 of 1102

REJ09B0294-0100

Section 11 Programmable Pulse Generator (PPG)

The programmable pulse generator (PPG) provides pulse outputs by using the 16-bit timer pulse

unit (TPU) as a time base. The PPG pulse outputs are divided into 4-bit groups (groups 3 to 0) that

can operate both simultaneously and independently. Figure 11.1 shows a block diagram of the

PPG.

11.1

Features

• 16-bit output data

• Four output groups

• Selectable output trigger signals

• Non-overlapping mode

• Can operate together with the data transfer controller (DTC) and DMA controller (DMAC)

• Inverted output can be set

• Module stop state specifiable

Compare match signals

PO15

PO14

PO13

PO12

PO11

PO10

PO9

PO8

PO7

PO6

PO5

PO4

PO3

PO2

PO1

PO0

[Legend]

PMR:

PCR:

NDERH:

NDERL:

PPG output mode register

PPG output control register

Next data enable register H

Next data enable register L

NDRH:

NDRL:

PODRH:

PODRL:

Next data register H

Next data register L

Output data register H

Output data register L

Internal

data bus

Pulse output

pins, group 3

Pulse output

pins, group 2

Pulse output

pins, group 1

Pulse output

pins, group 0

PODRH

PODRL

NDRH

NDRL

Control logic

NDERH

PMR

NDERL

PCR

Figure 11.1 Block Diagram of PPG

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