Datasheet

DS21Q59 Quad E1 Transceiver
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4. PIN DESCRIPTION
Table 4-A. Pin Description (Sorted by Function)
NAME
PIN
PARALLEL
PORT ENABLED
SERIAL PORT
ENABLED
TYPE
FUNCTION
[SERIAL PORT MODE IN BRACKETS]
71 4/8/16MCK — O 4.096MHz, 8.192MHz, or 16.384MHz Clock
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
70 AJACKI — I Alternate Jitter Attenuator Clock Input
69 AJACKO — O Alternate Jitter Attenuator Clock Output
50 ALE (AS)/A5 — I Address Latch Enable/Address Bus Bit 5
96 BTS0 — Bus Type Select 0
97 BTS1 — Bus Type Select 1
98
CS
— I Chip Select
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
44 D7/AD7 SDO I/O Data Bus Bit 7/Address/Data Bus Bit 7 [Serial Data Output]
84 DVDD1 — — Digital Positive Supply
59 DVDD2 — — Digital Positive Supply
34 DVDD3 — — Digital Positive Supply
9 DVDD4 — — Digital Positive Supply
83 DVSS1 — — Digital Signal Ground
58 DVSS2 — — Digital Signal Ground
33 DVSS3 — — Digital Signal Ground
8 DVSS4 — — Digital Signal Ground
94
INT
— O Interrupt
73 MCLK — I Master Clock Input
61 OUTA1 — O User-Selectable Output A
36 OUTA2 — O User-Selectable Output A
11 OUTA3 — O User-Selectable Output A
86 OUTA4 — O User-Selectable Output A
60 OUTB1 — O User-Selectable Output B
35 OUTB2 — O User-Selectable Output B
10 OUTB3 — O User-Selectable Output B
85 OUTB4 — O User-Selectable Output B
95 PBTS — I Parallel Bus Type Select
75
RD (DS)
SCLK I Read Input (Data Strobe) [Serial Port Clock]
72 REFCLK — I/O Reference Clock
67 RRING1 — I Receive Analog Ring Input
42 RRING2 — I Receive Analog Ring Input
17 RRING3 — I Receive Analog Ring Input
92 RRING4 — I Receive Analog Ring Input
63 RSER1 — O Receive Serial Data
38 RSER2 — O Receive Serial Data
13 RSER3 — O Receive Serial Data
88 RSER4 — O Receive Serial Data
64 RSYNC1 — I/O Receive Sync
39 RSYNC2 — I/O Receive Sync
14 RSYNC3 — I/O Receive Sync