Datasheet

DS21Q50
14 of 87
NAME
PIN
PARALLEL PORT
ENABLED
SERIAL
PORT
ENABLED
TYPE
FUNCTION
[Serial Port Mode in Brackets]
87 SYSCLK4 I Transmit/Receive System Clock
88 RSER4 O Receive Serial Data
89 RSYNC4 I/O Receive Sync
90 RVSS1 – Receive Analog Signal Ground
91 RTIP4 I Receive Analog Tip Input
92 RRING4 I Receive Analog Ring Input
93 RVDD1 — Receive Analog Positive Supply
94
INT
O Interrupt
95 PBTS I Parallel Bus Type Select
96 BTS0 Bus Type Select 0
97 BTS1 Bus Type Select 1
98
CS
I Chip Select
99 TS0 I Transceiver Select 0
100 TS1 I Transceiver Select 1
— EQVSS1 — Equalizer Analog Signal Ground
— EQVSS2 — Equalizer Analog Signal Ground
— EQVSS3 — Equalizer Analog Signal Ground
— EQVSS4 — Equalizer Analog Signal Ground
Note: EQVSS lines are tied to RVSS lines in the 100-pin LQFP package.