KS8995MA-EVAL Micrel Inc, KS8995MA-EVAL Datasheet - Page 39
KS8995MA-EVAL
Manufacturer Part Number
KS8995MA-EVAL
Description
BOARD EVAL EXPERIMENT KS8995MA
Manufacturer
Micrel Inc
Datasheet
1.KS8995MA-EVAL.pdf
(79 pages)
Specifications of KS8995MA-EVAL
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
576-1018
- Current page: 39 of 79
- Download datasheet (619Kb)
Semptember 2008
To use the KS8995MA/FQ SPI:
1. At the board level, connect KS8995MA/FQ pins as follows:
2. Set the input signals PS[1:0] (pins 113 and 114, respectively) to “10” to set the serial configuration to SPI slave
3. Power up the board and assert a reset signal. After reset wait 100µs, the start switch bit in Register 1 will be set
4. Write configuration to registers using a typical SPI write data cycle as shown in Figure 9 or SPI multiple write as
5. Registers can be read and configuration can be verified with a typical SPI read data cycle as shown in Figure 10
6. After configuration is written and verified, write a ‘1’ to Register 1 bit 0 to begin KS8995MA/FQ operation.
KS8995MA/FQ Pin
mode.
to ‘0’. Configure the desired settings in the KS8995MA/FQ before setting the start register to ‘1.'
shown in Figure 11. Note that data input on SPID is registered on the rising edge of SPIC.
or a multiple read as shown in Figure 12. Note that read data is registered out of SPIQ on the falling edge of
SPIC.
Number
112
110
111
109
KS8995MA/FQ Signal
SPIS_N
Name
SPIC
SPID
SPIQ
Table 9. SPI Connections
Microprocessor Signal Description
SPI Slave Select
SPI Clock
Master Out Slave Input
Master In Slave Output
39
M9999-091508
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