N01S830HA Datasheet, PDF (6/13 Pages) ON Semiconductor – 1 Mb Ultra-Low Power Serial SRAM

N01S830HA, N01S830BA
CS
SCK _{0 1 2 3 4 5 6 7 8 9 10 11 29 30 31 32 33 34 35 36 37 38 39}
Instruction
24−bit address
Data In to ADDR 1
SI ^{0 0 0 0 0 0 1 0 23 22 21 20}
21076543210
ADDR 1
SO
High−Z
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
Data In to ADDR 2
Data In to ADDR 3
Data In to ADDR n
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 ... 7 6 5 4 3 2 1 0
High−Z
Figure 6. SPI Write Sequence
CS
SCK
012345
12 13 14 15 16 17 18 19 20 21
Instruction
24−bit address
Data in
SIO1:0] ^{C3 C2 C1 C0 A11 A10 A3 A2 A1 A0 H0 H0 L0 L0 H1 H1}
MSB
MSB
Notes:
C[3:0] = 02h
H0 = 2 high order bits of data byte 0
L0 = 2 low order bits of data byte 0
H1 = 2 high order bits of data byte 1
L1 = 2 low order bits of data byte 1
Figure 7. DUAL Write Sequence
Ln Ln
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