ZHCS810H January 2012 – February 2018 DS125DF410
PRODUCTION DATA.
The configuration mode is selected by the state of the SMBus Enable pin (pin 20) when the DS125DF410 is powered-up. This pin should be either left floating or tied to the device VDD through an optional 1kΩ resistor. The effect of each of these settings is shown in Table 4.
| PIN
SETTING |
CONFIGURATION
MODE |
DESCRIPTION | READ_EN PIN |
|---|---|---|---|
| Float | SMBus Master Mode | Device reads its configuration from an external EEPROM on power-up. | Pull low to initiate reading configuration data from external EEPROM |
| High (1) | SMBus Slave Mode | Device is configured over the SMBus by an external controller. | Tie low to enable proper address strapping on power-up |