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PINOUT (265)
Power and ground
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If the RTC feature is not used, the inputs must be terminated as shown below.
If the RTC feature is used, see RTC clock and battery backup drawing on page 45.
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Power and ground
N4 Bat_vdd tie to 3.3V
R1 aux_comp tie to ground
N3, M4 bat_vdd_reg tie to ground
P2 x1_rtc_osc tie to ground
R2 x2_rtc_osc leave open
Pin Signal
E7, E11, G7, G11, G13, L5, L7, L11, L13, N7, N11 Core VCC (1.8V)
A1. A17. C3, C15, E5, E9, E13, J5, J13, J15, N5, N9, N13, R3, R15, U1, U17 I/O VCC (3.3V)
G8, G9, G10, H7, H8, H9, H10, H11, J7, J8, J9, J10, J11, K7, K8, K9, K10,
K11, L8, L9, L10, M5
GND