DS21554L Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
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производитель
DS21554L
Dallas Semiconductor -> Maxim Integrated
DS21554L Datasheet PDF : 117 Pages
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PIN SYMBOL
90
RNEGO
91
RPOSO
92
RCHCLK
93
RSIGF
94
RSIG
95
RSER
96
RMSYNC
97
RFSYNC
98
RSYNC
99 RLOS/LOTC
100
RSYSCLK
TYPE
O
O
O
O
O
O
O
O
I/O
O
I
DS21354 & DS21554
DESCRIPTION
Receive Negative Data Output
Receive Positive Data Output
Receive Channel Clock
Receive Signaling Freeze Output
Receive Signaling Output
Receive Serial Data
Receive Multiframe Sync
Receive Frame Sync
Receive Sync
Receive Loss Of Sync/ Loss Of Transmit Clock
Receive System Clock
PIN DESCRIPTION BY SYMBOL Table 4-2
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
61
DVDD
–
Digital Positive Supply
83
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
25
INT*
O
Interrupt
13 of 117
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