Datasheet

DS21Q59 Quad E1 Transceiver
10 of 76
Table 4-B. Pin Assignments (Sorted by Number)
NAME
PIN
PARALLEL
PORT ENABLED
SERIAL PORT
ENABLED
TYPE
FUNCTION
[Serial Port Mode in Brackets]
1 TTIP4 — O Transmit Analog Tip Output
2 TVSS4 — — Transmit Analog Signal Ground
3 TVDD4 — — Transmit Analog Positive Supply
4 TRING4 — O Transmit Analog Ring Output
5 TCLK4 — I Transmit Clock
6 TSER4 — I Transmit Serial Data
7 TSYNC4 — I/O Transmit Sync
8 DVSS4 — — Digital Signal Ground
9 DVDD4 — — Digital Positive Supply
10 OUTB3 — O User-Selectable Output B
11 OUTA3 — O User-Selectable Output A
12 SYSCLK3 — I Transmit/Receive System Clock
13 RSER3 — O Receive Serial Data
14 RSYNC3 — I/O Receive Sync
15 RVSS4 — — Receive Analog Signal Ground
16 RTIP3 — I Receive Analog Tip Input
17 RRING3 — I Receive Analog Ring Input
18 RVDD4 — — Receive Analog Positive Supply
19 D0/AD0 — I/O Data Bus Bit 0/Address/Data Bus Bit 0
20 D1/AD1 — I/O Data Bus Bit 1/Address/Data Bus Bit 1
21 D2/AD2 — I/O Data Bus Bit 2/Address/Data Bus Bit 2
22 D3/AD3 — I/O Data Bus Bit 3/Address/Data Bus Bit 3
23 D4/AD4 — I/O Data Bus Bit 4/Address/Data Bus Bit 4
24 D5/AD5 — I/O Data Bus Bit 5/Address/Data Bus Bit 5
25 D6/AD6 — I/O Data Bus Bit 6/Address/Data Bus Bit 6
26 TTIP3 — O Transmit Analog Tip Output
27 TVSS3 — — Transmit Analog Signal Ground
28 TVDD3 — — Transmit Analog Positive Supply
29 TRING3 — O Transmit Analog Ring Output
30 TCLK3 — I Transmit Clock
31 TSER3 — I Transmit Serial Data
32 TSYNC3 — I/O Transmit Sync
33 DVSS3 — — Digital Signal Ground
34 DVDD3 — — Digital Positive Supply
35 OUTB2 — O User-Selectable Output B
36 OUTA2 — O User-Selectable Output A
37 SYSCLK2 — I Transmit/Receive System Clock
38 RSER2 — O Receive Serial Data
39 RSYNC2 — I/O Receive Sync
40 RVSS3 — — Receive Analog Signal Ground
41 RTIP2 — I Receive Analog Tip Input
42 RRING2 — I Receive Analog Ring Input
43 RVDD3 — — Receive Analog Positive Supply
44 D7/AD7 SDO I/O Data Bus Bit 7/Address/Data Bus Bit 7 [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