MB85RS16N Datasheet, PDF (10/36 Pages) Fujitsu Component Limited. – 16 K (2 K × 8) Bit SPI

MB85RS16N
• RDID
The RDID command reads fixed Device ID. After performing RDID op-code to SI, 32-cycle clock is input to
SCK. The SI value is invalid during this time. SO is output synchronously to a falling edge of SCK. The output
is in order of Manufacturer ID (8bit)/Continuation code (8bit)/Product ID (1st Byte)/Product ID (2nd Byte). In
the RDID command, SO holds the output state of the last bit in 32-bit Device ID until CS is risen.
CS
SCK
0 1 2 3 4 5 6 7 8 9 10 11
31 32 33 34 35 36 37 38 39
SI
10011111
Invalid
SO ^High-Z
Data Out
31 30 29 28
MSB
Data Out
876543210
LSB
Manufacturer ID
Continuation code
bit
7654321
0000010
0111111
Proprietary use
Product ID (1st Byte) 0 0 0 0
Density
000
Proprietary use
Product ID (2nd Byte) 0 0 0 0 0 0 0
0 Hex
0 04H Fujitsu
1 7FH
Hex
1 01H Density: 00001B = 16kbit
Hex
1 01H
10
DS501-00030-3v0-E