ISL59530_07 INTERSIL [Intersil Corporation], ISL59530_07 Datasheet - Page 17

• Manufacturer Part Number: ISL59530_07
• Description: 16x16 Video Crosspoint
• Manufacturer: INTERSIL [Intersil Corporation]

Serial Timing Diagram
Programming Model
The ISL59530 is configured by a series of 16-bit serial control words. The three MSBs (B15-13) of each serial word determine the
basic command:
Mapping Inputs to Outputs
Inputs are mapped to their desired outputs using the input/output control word. Its format is:
I
will map to. One input can be mapped to one or multiple outputs. To fully program the ISL59530, 16 INPUT/OUTPUT words must
be transmitted - one for each input channel.
3
B15
:I
B15
0
0
0
0
1
0
0
form the 4-bit word indicating the input channel (0 to 15), and O
SLATCH
B14
SCLK
0
0
1
1
1
PARAMETER
B14
0
SDO
SDI
t
t
t
t
SD
HD
B13
SL
T
W
0
1
0
1
1
B13
0
INPUT/OUTPUT: Maps input channels to output channels
OUTPUT ENABLE: Output enable for individual channels
GAIN SET: Gain (x1 or x2) for each channel
BROADCAST: Enables broadcast mode and selects the input channel to be
broadcast to all output channels
CONTROL: Clamp on/off, operational/standby mode, and global output
enable/disable
(previous)
SDO = SDI delayed by 15.5 SCLKs to allow daisy-chaining of multiple ISL59530s. SDO changes on the falling edge of SCLK.
(LSB)
t
B12
SD
I
B0
B0
3
17
t
HD
RECOMMENDED OPERATING RANGE
B11
(previous)
I
2
B1
B1
B10
I
1
TABLE 1. SERIAL TIMING PARAMETERS
T
(previous)
0.50 * T
B2
≥200ns
B2
SLATCH falling edge timing/placement is a “don’t care.”
Serial data is latched only on rising edge of SLATCH.
≥20ns
≥20ns
≥20ns
TABLE 3. INPUT/OUTPUT WORD
TABLE 2. COMMAND FORMAT
B9
I
COMMAND
0
ISL59530
B8
0
B7
3
0
:O
SCLK period
Clock Pulse Width
Data Setup Time
Data Hold Time
Final SLCK rising edge (latching B15) to SLATCH rising edge
0
determine the output channel which that input channel
B6
0
t
w
B5
t
SL
(previous)
0
(MSB)
B15
B15
B4
O
DESCRIPTION
3
(LSB)
B0
B3
O
16 (1 channel per write)
4 (4 channels per write)
4 (4 channels per write)
2
NUMBER OF WRITES
B2
O
B1
1
1
1
B1
O
0
February 7, 2007
B2
FN6220.3
B0
0