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RZ/T1 Datenblatt(PDF) 53 Page - Renesas Technology Corp |
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RZ/T1 Datenblatt(HTML) 53 Page - Renesas Technology Corp |
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53 / 139 page ![]() R01DS0228EJ0200 Rev.2.00 Page 53 of 139 Jun. 30, 2025 RZ/T1 Group 2. Electrical Characteristics 2.2 Power On/Off Sequence Turn on and off each power supply voltage according to the procedure shown in the figure below. When turning on the power, be sure to fix TRST# pins and RES# pins to the low level. Otherwise, initialization is not performed successfully. Note 1. Turn on all power supply voltages and reset signals with a monotonic increase and turn off with a monotonic decrease. Note 2. Do not apply a negative voltage to power supply voltages. Note 3. Before turning on the power, be sure to make reset pins (TRST# and RES#) active (low). Otherwise, inputs and outputs on the pins may be unstable. If this may also be a problem when turning off the power, make reset pins (TRST# and RES#) active (low.) Note: If the power on/off sequence is not met (out of operation guarantee range), the pin input state and output state may be undefined. Figure 2.1 Power On/Off Sequence Powered down Power up sequence Active Power down sequence Powered down (reverse order) (1)Trisepwr VDD 1.2 V for Digital (1)Trisepwr DVDD_USB (2)Tdly12 1.2 V for USB PLLVDD0, PLLVDD1 (2)Tdly12 1.2 V for PLL (1)Trisepwr (3)Tdlyana33 AVCC0, AVCC1 VREFH0, VREFH1 3.3 V for Analog (1)Trisepwr (4)Tdlyusb33 VDD33_USB 3.3 V for USB (1)Trisepwr (5)Tdly33 VCCQ33 3.3 V for I/O XTAL/EXTAL (6)Tdlyreset RES# TRST# Oscillation (7)Trisereset (8)Tdlypwr (8)Tdlypwr (8)Tdlypwr Timing No. Item Value min typ max (1) Trisepwr 100 μs ― 50 ms (2) Tdly12 0 ms ― 100 ms (3) Tdlyana33 0 ms ― 100 ms (4) Tdlyusb33 0 ms ― 100 ms (5) Tdly33 0 ms ― 100 ms (6) Tdlyreset 10 ms ― ― (7) Trisereset ― ― 150 μs (8) Tdlypwr 0 ms ― ― |
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