Section 9 16-Bit Timer Pulse Unit (Tpu); Features - Renesas H8SX/1520 Series Hardware Manual

This LSI has two on-chip 16-bit timer pulse units (TPU): unit 0 and unit1. Each unit comprises six
16-bit timer channels, that is, there are 12 timer channels in total. However, the H8SX/1525 does
not include unit 0. Table 9.1 shows the unit configuration for each product.
Table 9.2 is a list of the functions and figure 9.1 is a block diagram for unit 0. Table 9.3 and figure
9.2 are for unit 1.
This section describes unit 0, which has the same functions as the other unit.
9.1

Features

Maximum 16-pulse input/output
Selection of eight counter input clocks for each channel
• The following operations can be set for each channel:
 Waveform output at compare match*
 Input capture function*
 Counter clear operation
 Synchronous operations:
• Multiple timer counters (TCNT) can be written to simultaneously
• Simultaneous clearing by compare match and input capture possible
• Simultaneous input/output for registers possible by counter synchronous operation
• Maximum of 15-phase PWM output possible by combination with synchronous
operation
• Buffer operation settable for channels 0 and 3
• Phase counting mode settable independently for each of channels 1, 2, 4, and 5
• Cascaded operation
• Fast access via internal 16-bit bus
• 26 interrupt sources
• Automatic transfer of register data
• Programmable pulse generator (PPG) output trigger can be generated
(supported only by unit 0)
• Conversion start trigger for the A/D converter can be generated (supported only by unit 0)
• Module stop mode can be set
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Section 9 16-Bit Timer Pulse Unit (TPU)

Section 9 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Mar. 14, 2006 Page 251 of 804
REJ09B0104-0300