User Manual

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Address : 1879 Lundy Ave, ste. 138, San Jose, CA 95131
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地址：天津市华苑产业区海泰西路 18 号西 3B-202（300384）
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4.5.2 Internal Reset Circuit:
Notes:
- R
PU
ranges from 30K ohm to 50K ohm internally.
- R
RST
should be from 1K ohm to 10K ohm
4.6 External LPO Input Circuit
An optional low power oscillator input may be added to allow deep sleep and sniff modes.
LPO Parameters:
Frequency: 32.768 KHz
Tolerance: 150 ppm
Voltage Levels:
Low: 0.5 V
High: 1.8 V
Input Capacitance: 2.5 pF maximum
Configurations:
See configuration guide:
UseExtLPO
AllowSniff