参数资料
型号: SAB80C517-N16-T85
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC84
封装: PLASTIC, LCC-84
文件页数: 38/61页
文件大小: 1054K
代理商: SAB80C517-N16-T85
SAB 80C517/80C537
Semiconductor Group
42
Figure 11
Block Diagram of the Programmable Watchdog Timer
Oscillator Watchdog
The oscillator watchdog monitors the on-chip quartz oscillator. A detected oscillator failure
(f OSC < appr. 300 kHz) causes a hardware reset. The reset state is held until the on-chip
oscillator is working again. The oscillator watchdog feature is enabled by a high level at pin
OWE (pin 69). An oscillator watchdog reset sets status flag OWDS which can be examined and
modified by software. Figure 12 shows a block diagram of the oscillator watchdog.
Figure 12
Functional Block Diagram of the Oscillator Watchdog
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