CS61884
DS485F3 9
3. PIN DESCRIPTIONS
3.1 Power Supplies
SYMBOL LQFP LFBGA TYPE DESCRIPTION
VCCIO
17
92
G1
G14
Power Supply, Digital Interface: Power supply for digital
interface pins; typically 3.3V.
GNDIO 18
91
G4
G11
Ground, Digital Interface:
Power supply ground for the digital interface; typically 0 Volts
RV0+
RV1+
19
90
H1
H14
Power Supply, Core Circuitry: Power supply for all sub-cir-
cuits except the transmit driver; typically +3.3 Volts
RGND0
RGND1
20
89
H4
H11
Ground, Core Circuitry:
Ground for sub-circuits except the TX driver; typically 0 Volts
TV+0 44 N4, P4 Power Supply, Transmit Driver 0
Power supply for transmit driver 0; typically +3.3 Volts
TGND0 47 N6, P6 Ground, Transmit Driver 0
Power supply ground for transmit driver 0; typically 0 Volts
TV+1 53 L4, M4 Power Supply, Transmit Driver 1
TGND1 50 L6, M6 Ground, Transmit Driver 1
TV+2 56 L11
M11
Power Supply, Transmit Driver 2
TGND2 59 L9, M9 Ground, Transmit Driver 2
TV+3 65 N11
P11
Power Supply, Transmit Driver 3
TGND3 62 N9, P9 Ground, Transmit Driver 3
TV+4 116 A11
B11
Power Supply, Transmit Driver 4
TGND4 119 A9, B9 Ground, Transmit Driver 4
TV+5 125 C11
D11
Power Supply, Transmit Driver 5
TGND5 122 C9, D9 Ground, Transmit Driver 5
TV+6 128 C4, D4 Power Supply, Transmit Driver 6
TGND6 131 C6, D6 Ground, Transmit Driver 6
TV+7 137 A4, B4 Power Supply, Transmit Driver 7
TGND7 134 A6, B6 Ground, Transmit Driver 7
