Hardware+Design V1.07
Table Of Contents
- Revision History
- 1 Introduction
- 2 Package Information
- 3 Application Interface Specification
- 4 RF Specification
- 5 Reliability and Operating Characteristics
- 6 Guide for Production
- Appendix
Smart Machine Smart Decision
Note: The VRTC can be disabled, jus disconnect it in application circuit.
Coin-type rechargeable battery is recommended, such as XH414H-IV01E form Seiko can be used.
Typical charge-discharge curves for this battery are shown in the following figure.
Figure 15: Seiko XH414H-IV01E Charge-Discharge characteristic
3.2 Power on/off Time Sequence
3.2.1 Power on Sequence
SIM5320 can be powered on by POWER_ON pin, which starts normal operating mode.
POWER_ON pin is pulled up with a 200kR resistor to 1.8V in module. User can power on the SIM5320
by pulling the POWER_ON pin down for a short time. The power-on scenarios are illustrated in the
following figures.
SIM5320_Hardware Design_V1.07 2012-09-21
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