Global - English
Americas - English
Europe - English
Europe - Deutsch
ASEAN/India - English
简体中文
繁體中文
한국어
日本語
Company
CSR
R&D
Careers
Contact Us
myROHM Login
Search This Site
ROHM Products
Cross-Reference
Dist. Inventory
Search This Site
ROHM Products
Cross-Reference
Dist. Inventory
Products
Technical Support
Applications
Sales
Buy or Sample
Products
Technical Support
Applications
Sales
Buy or Sample
myROHM Login
Company
CSR
R&D
Careers
Contact Us
Global - English
Americas - English
Europe - English
Europe - Deutsch
ASEAN/India - English
简体中文
繁體中文
한국어
日本語
Home
FAQ Search
Is it a problem to Pullup the SCL and SDA lines of the I²C interface to 3.3V if DVDD=1.8V?
View ALL FAQ
Contact Us
FAQ's
Is it a problem to Pullup the SCL and SDA lines of the I²C interface to 3.3V if DVDD=1.8V?
3.3V as the pull up source is acceptable even if DVDD is 1.8V. But NVCC_I2C of the I²C domain in SoC should be 3.3V (the same voltage as the pull up source for PMIC) and DVDD in PMIC always needs to be 1.8V.
Back to Top
Please Wait...