Other Parts Discussed in Thread: TPS3420 , TPS3808 Hi Support Team,
customer is use tps3823-33,
and customer need one PN to replace this one.
requirement as follow:
watch dog IC, need EN control pin(low or high),
reset output low to MCU,
need long time delay…
Part Number: OCTVO-3P-AM335X Other Parts Discussed in Thread: TPS3823 , TPS65910
[ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 3.12.10-BSPV2.01T01 (root@acpower-Precision-Tower-7810) (gcc version 4.9.1 20140505 (prerelease) (crosstool…
HI
我现在使用的是DM368的外部硬件电路做看门狗,使用的是TPS3823-33,使用的DM368的一个普通GPIO40做喂狗WDI信号。
但现在的问题是,板子在UBOOT启动时就反复复位重启了,因为看门狗此时就工作了;能否有啥好方法,让看门狗在系统内核和应用启动后,看门狗才开始工作呢?我现在没有添加WDI使能控制芯片。
DM368的GPIO做输出时,能否上电后默认为高阻HI-Z态呢?