Note on the Recommended Power-On Sequence
Apr,2006
- Product name
-
- TOSHIBA Microcontrollers TX19 Family TX19 Series
-
- TMP1942CYU
- TMP1942CZU
- TMP1942FDU
- TMP1942CZXB
- TMP1942FDXB
Dear Customer
With regard to the TX19 Family microcontrollers listed above, please be advised that at power-on the pull-up resistors and others attached to the I/O ports of the 5V supply domain become unstable until the core power supply (3.0V) has stabilized. We will add a note on the recommended power-on sequence, as described below, in the technical datasheet.
- Note on using
- At power-on, the pull-up resistors and input& output buffers attached to the I/O ports of the 5V supply domain may become unstable or a through current may pass through the port until the core power supply (3.0V) has stabilized.
- Note To Be Added To Technical Datasheet
- Recommended power-on sequence:
In powering up this device, it is recommended that the core power supply (3.0V) be turned on first. - Inquiries
- To Inquiries on our products.
