- 积分
- 384
- 在线时间
- 875 小时
- 最后登录
- 2024-5-4
- 阅读权限
- 50
- 精华
- 0
- UID
- 846763
- 帖子
- 338
- 精华
- 0
- 经验
- 384 点
- 金钱
- 290 ¥
- 注册时间
- 2018-4-2
|
楼主 |
发表于 2023-6-13 20:17
|
显示全部楼层
这版异想天开用按键忽略了规格书25页启动顺序的介绍
Start-up procedure
It is recommended to follow the start-up procedure as described below:
1) Make sure the all hardware pins are configured correctly: e.g. BTL, Slave Clock mode.
2) Keep the device in disable and mute: /ENABLE = 1; /MUTE = 0.
3) Bring up 5V VDD supply and PVDD supply (it does not matter if VDD or PVDD comes up first, provided that
the device is held in disable).
4) Wait for VDD and PVDD to be stable.
5) Enable device: /ENABLE = 0.
6) Program applicable initialization to registers.
7) Unmute device: /MUTE = 1.
8) The device is now in normal operation state.
Shut-down / power-down procedure
It is recommended to follow the start-up procedure as described below:
1) The device is in normal operation state.
2) Mute device: /MUTE = 0.
3) Disable device: /ENABLE = 1.
4) The device is now power-down state.
5) Bring down 5V VDD supply and PVDD supply.
6) The device is now in shut-down state.
这只ic是看了你不少分享内容启蒙的,再次感谢 |
|