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REV. A
AD6624
–11–
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic
Type
Function
1, 12, 38, 50, 65, 76, 102, 113
2–6
7, 17, 32, 44, 54, 81, 96, 118
8
9
10
11
13
14–16
18–21
22, 59, 71, 86, 108, 123
23–26
27, 39, 64, 91, 103, 128
28–31
33–34
35
36
37
40
41
42
43
45
46–49
51–53
55
56
57
58
60
61–63
66
67
68
69
70
72
73–75
77
78
79–80
82–83
84
85
87
88
89
90
VSS
INB[5:1]
1
VDD
INB0
1
IENB
2
LIB-B
LIB-A
CLK
EXPA[0:2]
1
INA[13:10]
1
VDDIO
INA[9:6]
1
VSSIO
INA[5:2]
1
INA[1:0]
1
IENA
2
LIA-B
LIA-A
SYNCD
1
SYNCC
1
SYNCB
1
SYNCA
1
RESET
D[7:4]
D[3:1]
D0
DS
(
RD
)
DTACK
(RDY)
2
RW(
WR
)
MODE
A[2:0]
CS
1
TRST
2
TCLK
1
TMS
2
TDO
TDI
2
CHIP_ID[3:1]
1
CHIP_ID0
1
SBM0
1
SDIV[3:2]
1
SDIV[1:0]
1
SCLK0
1
SDFS0
1
SDO0
1
SDIN0
1
SDFE0
DR0
G
I
P
I
I
O
O
I
I
I
P
I
G
I
I
I
O
O
I
I
I
I
I
I/O/T
I/O/T
I/O/T
I
O/T
I
I
I
I
I
I
I
O/T
I
I
I
I
I
I
I/O
I/O
O/T
I
O
O
Ground
B Input Data (Mantissa)
2.5 V Supply
B Input Data (Mantissa)—LSB
Input Enable—Input B
Level Indicator—Input B, Interleaved—Data B
Level Indicator—Input B, Interleaved—Data A
Input Clock
A Input Data (Exponent)
A Input Data (Mantissa)
3.3 V Supply
A Input Data (Mantissa)
Ground
A Input Data (Mantissa)
A Input Data (Mantissa)
Input Enable—Input A
Level Indicator—Input A, Interleaved—Data B
Level Indicator—Input A, Interleaved—Data A
All Sync Pins Go to All Four Output Channels
All Sync Pins Go to All Four Output Channels
All Sync Pins Go to All Four Output Channels
All Sync Pins Go to All Four Output Channels
Active Low Reset Pin
Bidirectional Microport Data
Bidirectional Microport Data
Bidirectional Microport Data—LSB
Active Low Data Strobe (Active Low Read)
Active Low Data Acknowledge (Microport Status Bit)
Read Write (Active Low Write)
Intel or Motorola Mode Select
Microport Address Bus
Chip Select
Test Reset Pin
Test Clock Input
Test Mode Select Input
Test Data Output
Test Data Input
Chip ID Selector
Chip ID Selector—LSB
Serial Bus Master—Channel 0 Only
Serial Clock Divisor—Channel 0
Serial Clock Divisor—Channel 0
Bidirectional Serial Clock—Channel 0
Bidirectional Serial Data Frame Sync—Channel 0
Serial Data Output—Channel 0
Serial Data Input—Channel 0
Serial Data Frame End—Channel 0
Output Data Ready Indicator—Channel 0