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Figure 4: Device Reset
Reset Device
Debounce
PS_POR_L
CC_PS_PGOOD
IAS_ISP_RESET_B
IAS_DIRECT_RESET_B
PL_1V8
PL_1V8
HDIO
HDIO
RPi_RESET_B
PL_3V3
CC_PL_PGOOD
HDIO
MODE1_C2M
PS_MIO
PS_MIO
SD_CARD_RESET_B
USB_PHY_RESET_B
PS_3V3
PS_1V8
USB_HUB_RESET_B
PS_3V3
ETH_RESET_B
PS_1V8
I/O Voltage
= 5.0V
5.0V
VCC
= 1.8V (PS)
= 3.3V (PL)
Delay
25 ms
Delay
25 ms
Bidirectional
Open Drain
PS_MIO
X24751-091421
Chapter 6: Board Reset, Firmware Update, and Recovery
UG1089 (v1.2) July 26, 2022
KV260 Starter Kit
20