7368868E STMicroelectronics Confidential 29/709
STi5516 Pin list
Confidential
VDDASADAC AA3 1 3.3 V power for audio DAC substrate
VCCAADAC AB2 1 3.3 V power for audio DAC command switches
GNDAADAC AB3 1 Ground for audio DAC
VCCASADAC AC1 1 3.3 V power for audio DAC command switches
substrate
IREF AC2 1 Audio DAC output reference current
VBGFIL AD1 1 Audio DAC filtered output reference voltage
Table 4: Digital power supply pins
Pin Location Number Function
VDD18
a
24 1.8 V power supply
VDD33
b
35 3.3 V power supply
RTCVDD AE8 1 Low power controller 1.8 V power supply
GND
c
76 Ground for power supplies
a. A19, B18, B22, C18, D10, D18, G1 to G3, H4, L23, P2 to P4, R1, R2, R4, R23 to R26, AC13,
AC16 and AC21.
b. A20, B1, B2, B19, C1 to C3, C19, D1 to D5, D8, D11, D19, E4, E23, F4, J4, J23, M2 to M4,
N1, U4, V23, Y23, AB23, AC6, AC18, AC22, AD22, AE22 and AF22.
c. A15, A21, A23 to A26, B15, B20, B21, B23 to B25, C20 to C24, D7, D15, D16, D20 to D23,
E1 to E3, F1 to F3, G4, G23, K23, L11 to L16, M11 to M16, N11 to N16, P11 to P16, R11 to
R16, T11 to T16, Y4, AA23, AC5, AC14, AC20, AD21, AE21 and AF21.
Table 5: RTC pins
Pin Location I/O Function
LPCLKIN
a
AC8 I Low power clock input
LPCLKOSC
A
AD8 I/O Low power clock oscillator
a. 1.8 V tolerant
Table 3: Analog power supply pins
Pin Location Number Function
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