CS61884 データシートの表示（PDF） - Cirrus Logic

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CS61884

Octal T1/E1/J1 Line Interface Unit

Cirrus Logic 

CS61884

3. PIN DESCRIPTIONS

3.1 Power Supplies

SYMBOL

VCCIO

GNDIO

RV0+

RV1+

RGND0

RGND1

TV+0

TGND0

TV+1

TGND1

TV+2

TGND2

TV+3

TGND3

TV+4

TGND4

TV+5

TGND5

TV+6

TGND6

TV+7

TGND7

LQFP FBGA TYPE

DESCRIPTION

17

G1

92

G14

Power Supply, Digital Interface: Power supply for digital

interface pins; typically 3.3V.

18

G4

91

G11

Ground, Digital Interface:

Power supply ground for the digital interface; typically 0 Volts

19

H1

90

H14

Power Supply, Core Circuitry: Power supply for all sub-cir-

cuits except the transmit driver; typically +3.3 Volts

20

H4

89

H11

Ground, Core Circuitry:

Ground for sub-circuits except the TX driver; typically 0 Volts

44 N4, P4

Power Supply, Transmit Driver 0

Power supply for transmit driver 0; typically +3.3 Volts

47 N6, P6

Ground, Transmit Driver 0

Power supply ground for transmit driver 0; typically 0 Volts

53 L4, M4

Power Supply, Transmit Driver 1

50 L6, M6

Ground, Transmit Driver 1

56

L11

M11

Power Supply, Transmit Driver 2

59 L9, M9

Ground, Transmit Driver 2

65

N11

P11

Power Supply, Transmit Driver 3

62 N9, P9

Ground, Transmit Driver 3

116 A11

B11

Power Supply, Transmit Driver 4

119 A9, B9

Ground, Transmit Driver 4

125 C11

D11

Power Supply, Transmit Driver 5

122 C9,

D9

Ground, Transmit Driver 5

128 C4,

D4

Power Supply, Transmit Driver 6

131 C6,

D6

Ground, Transmit Driver 6

137 A4, B4

Power Supply, Transmit Driver 7

134 A6, B6

Ground, Transmit Driver 7

DS485F1

9

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