Datasheet

DS21352/DS21552
13 of 137
Table 4-1 PIN DESCRIPTION SORTED BY PIN SYMBOL
PIN SYMBOL TYPE DESCRIPTION
3 8MCLK O 8.192 MHz Clock
13 8XCLK O Eight Times Clock
66 A0 I Address Bus Bit 0
67 A1 I Address Bus Bit 1
68 A2 I Address Bus Bit 2
69 A3 I Address Bus Bit 3
70 A4 I Address Bus Bit 4
71 A5 I Address Bus Bit 5
72 A6 I Address Bus Bit 6
73 ALE (AS)/A7 I Address Latch Enable/Address Bus Bit 7
11 BTS I Bus Type Select
36 CI I Carry In
54 CO O Carry Out
75 CS* I Chip Select
56 D0/AD0 I/O Data Bus Bit0/ Address/Data Bus Bit 0
57 D1/AD1 I/O Data Bus Bit1/ Address/Data Bus Bit 1
58 D2/AD2 I/O Data Bus Bit 2/Address/Data Bus 2
59 D3/AD3 I/O Data Bus Bit 3/Address/Data Bus Bit 3
62 D4/AD4 I/O Data Bus Bit4/Address/Data Bus Bit 4
63 D5/AD5 I/O Data Bus Bit 5/Address/Data Bus Bit 5
64 D6/AD6 I/O Data Bus Bit 6/Address/Data Bus Bit 6
65 D7/AD7 I/O Data Bus Bit 7/Address/Data Bus Bit 7
44 DVDD – Digital Positive Supply
81 DVDD – Digital Positive Supply
45 DVSS – Digital Signal Ground
60 DVSS – Digital Signal Ground
80 DVSS – Digital Signal Ground
84 DVSS – Digital Signal Ground
76 FMS I Framer Mode Select
61 DVDD - Digital Positive Supply
83 DVDD – Digital Positive Supply
25 INT* O Interrupt
4 JTCLK I IEEE 1149.1 Test Clock Signal
7 JTDI I IEEE 1149.1 Test Data Input
10 JTDO O IEEE 1149.1 Test Data Output
2 JTMS I IEEE 1149.1 Test Mode Select
5 JTRST I IEEE 1149.1 Test Reset
12 LIUC I Line Interface Connect
21 MCLK I Master Clock Input
55 MUX I Bus Operation
8 NC – No Connect
9 NC – No Connect
15 NC – No Connect
23 NC – No Connect
26 NC – No Connect
Table 4-1 PIN DESCRIPTION SORTED BY PIN SYMBOL (cont.)
PIN SYMBOL TYPE DESCRIPTION
27 NC – No Connect
28 NC – No Connect
1 RCHBLK O Receive Channel Block
92 RCHCLK O Receive Channel Clock
6 RCL O Receive Carrier Loss
82 RCLK O Receive Clock