Pin description STA8058
10/14 Doc ID 14095 Rev 4
Note: V
33
and V
33IO-PLL
are all internally connected. Same for V
SS
and V
SSIO-PLL
.
All V
SS
, V
SS18
, V
SSBKP
,
AV
SS
,V
SSRF
,V
SSRF_A
and V
SSRF_IO
pins must be tied together to the
common ground plane, taking care of noise filtering, especially on AV
SS
,V
SSRF
, V
SSRF_A
and V
SSRF_IO
V
SSBKP
- Digital ground for backup logic B4
AV
DD
- Analog supply voltage for the A/D converter A3
AV
SS
- Analog supply ground for the A/D converter A2
V
27RF
- Analog supply voltage for RF chain (2.7V)
C13, G10, G11, G12,
H12
V
27PLL
- Analog supply voltage for PLL embedded into RF part (2.7V) B11, B12, B13, C12
V
SSRF
- Analog supply ground for RF core
A13, C11, D11, D13,
E11, E12, F11, F12,
G13, H13
V
SSRF_A
- Analog supply ground for RF amplifier D13, F13
V
SSRF_IO
- Analog supply ground for RF IO circuirty H10
Table 3. Power supply pins (continued)
Symbol I/O Function LFBGA104
