Block Diagram; Pin Configuration - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer

Hide thumbs Also See for H8S Series:

Table of Contents

Block Diagram

Figure 13-1 shows a block diagram of the WDT.

(interrupt request

Internal reset signal

Timer control/status register

Timer counter

Reset control/status register

Notes: 1. The type of internal reset signal depends on a register setting. Either power-on

reset or manual reset can be selected. Manual reset is only supported in the H8S/2357 ZTAT.

2. The WDTOVF pin function is not available in the F-ZTAT version, the H8S/2398, H8S/2394, H8S/2392,

or H8S/2390.

Table 13-1 describes the WDT output pin.

Table 13-1 WDT Pin

Watchdog timer overflow

Note: * The WDTOVF pin function is not available in the F-ZTAT version, the H8S/2398, H8S/2394, H8S/2392 or

Rev.6.00 Oct.28.2004 page 454 of 1016

REJ09B0138-0600H

Figure 13-1 Block Diagram of WDT

WDTOVF* Output

Outputs counter overflow signal in watchdog

Internal clock