Datasheet

DS21Q50
13 of 87
NAME
PIN
PARALLEL PORT
ENABLED
SERIAL
PORT
ENABLED
TYPE
FUNCTION
[Serial Port Mode in Brackets]
[Serial Data Output]
45 A0 ICES I
Address Bus Bit 0/Serial Port
[Input Clock Edge Select]
46 A1 OCES I
Address Bus Bit 1/Serial Port
[Output Clock Edge Select]
47 A2 I Address Bus Bit 2
48 A3 I Address Bus Bit 3
49 A4 I Address Bus Bit 4
50 ALE (AS)/A5 I Address Latch Enable/Address Bus Bit 5
51 TTIP2 O Transmit Analog Tip Output
52 TVSS2 — Transmit Analog Signal Ground
53 TVDD2 — Transmit Analog Positive Supply
54 TRING2 O Transmit Analog Ring Output
55 TCLK2 I Transmit Clock
56 TSER2 I Transmit Serial Data
57 TSYNC2 I/O Transmit Sync
58 DVSS2 — Digital Signal Ground
59 DVDD2 — Digital Positive Supply
60 OUTB1 O User Selectable Output B
61 OUTA1 O User Selectable Output A
62 SYSCLK1 I Transmit/Receive System Clock
63 RSER1 O Receive Serial Data
64 RSYNC1 I/O Receive Sync
65 RVSS2 — Receive Analog Signal Ground
66 RTIP1 I Receive Analog Tip Input
67 RRING1 I Receive Analog Ring Input
68 RVDD2 — Receive Analog Positive Supply
69 AJACKO O Alternate Jitter Attenuator Clock Output
70 AJACKI I Alternate Jitter Attenuator Clock Input
71 4/8/16MCK O 4.096MHz, 8.192MHz, or 16.384MHz Clock
72 REFCLK I/O Reference Clock
73 MCLK I Master Clock Input
74 WR (R/W) SDI I Write Input (Read/Write) [Serial Data Input]
75 RD (DS) SCLK I Read Input (Data Strobe) [Serial Port Clock]
76 TTIP1 O Transmit Analog Tip Output
77 TVSS1 — Transmit Analog Signal Ground
78 TVDD1 — Transmit Analog Positive Supply
79 TRING1 O Transmit Analog Ring Output
80 TCLK1 I Transmit Clock
81 TSER1 I Transmit Serial Data
82 TSYNC1 I/O Transmit Sync
83 DVSS1 — Digital Signal Ground
84 DVDD1 — Digital Positive Supply
85 OUTB4 O User Selectable Output B
86 OUTA4 O User Selectable Output A