Signal description, Overview/signal list, Verview – Rainbow Electronics DS3131 User Manual
Page 14: Ignal, Erial, Nterface, Escription, Table 4-a. memory map organization, 1 overview/signal list, Signal naming convention

DS3131
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3. SIGNAL DESCRIPTION
3.1 Overview/Signal List
This section describes the input and output signals on the DS3131. Signal names follow a convention
that is shown in the Signal Naming Convention table below.
Table 3-A
lists all of the signals, their signal
type, description, and pin location.
Signal Naming Convention
FIRST LETTER
SIGNAL CATEGORY
SECTION
R
Receive Serial Port
3.2
T
Transmit Serial Port
L Local
Bus
J JTAG
Test
Port
P PCI
Bus
LXXX–T/RXXX: Multiplexed local bus with extended ports controlled by LBPXS.
Table 3-A. Signal Description
PIN NAME
TYPE
FUNCTION
W20
TC0
I
Transmit Serial Clock for Port 0
U19
TC1
I
Transmit Serial Clock for Port 1
T17
TC2
I
Transmit Serial Clock for Port 2
U20
TC3
I
Transmit Serial Clock for Port 3
T19
TC4
I
Transmit Serial Clock for Port 4
R18
TC5
I
Transmit Serial Clock for Port 5
R19
TC6
I
Transmit Serial Clock for Port 6
P18
TC7
I
Transmit Serial Clock for Port 7
P20
TC8
I
Transmit Serial Clock for Port 8
N19
TC9
I
Transmit Serial Clock for Port 9
M17
TC10
I
Transmit Serial Clock for Port 10
M19
TC11
I
Transmit Serial Clock for Port 11
L19
TC12
I
Transmit Serial Clock for Port 12
L20
TC13
I
Transmit Serial Clock for Port 13
K19
TC14
I
Transmit Serial Clock for Port 14
J20
TC15
I
Transmit Serial Clock for Port 15
J18
TC16
I
Transmit Serial Clock for Port 16
H19
TC17
I
Transmit Serial Clock for Port 17
G20
TC18
I
Transmit Serial Clock for Port 18
F20
TC19
I
Transmit Serial Clock for Port 19
F19
TC20
I
Transmit Serial Clock for Port 20
G17
TC21
I
Transmit Serial Clock for Port 21
E19
TC22
I
Transmit Serial Clock for Port 22
E18
TC23
I
Transmit Serial Clock for Port 23
C20
TC24
I
Transmit Serial Clock for Port 24
D18
TC25
I
Transmit Serial Clock for Port 25
B20
TC26
I
Transmit Serial Clock for Port 26
B19
TC27
I
Transmit Serial Clock for Port 27
V19
TD0
O
Transmit Serial Data for Port 0
U18 TD1
O
Transmit Serial Data for Port 1
V20
TD2
O
Transmit Serial Data for Port 2