prel

imin

ary

prel

imin

ary

iC-MB4

BiSS INTERFACE MASTER

Rev B2, Page 13/40

OPERATING REQUIREMENTS: µC Interface, SPI mode

Operating conditions: CFGSPI = 1 VDD = 3.0 . . . 5.5 V, Tj = -40 . . . 125 °C;

lo input level = 0 . . . 0.8 V, hi input level = 2.0 V . . . VDD, lo output level = 0 . . . 0.4 V, hi output level = 2.4 V . . . VDD

Alias: NCS = NCS/DB4, SCLK = ALE/DB5, MOSI = DB0/DB6, MISO = DB1/DB7

Item

Symbol

Parameter

Conditions

Unit

No.

Min.

Max.

I201 tsCS

Setup Time:

NCS lo before SCLK lo→hi

10

ns

I202 thCS

Hold Time:

NCS lo after SCLK hi→lo

10

ns

I203 tSl

Signal Duration:

SCLK lo

10

ns

I204 tSh

Signal Duration:

SCLK hi

10

ns

during command ’ReadData’ between address

and data

100

ns

I205 tsDS

Setup Time:

MOSI stable before SCLK lo→hi

7.5

ns

I206 thDS

Hold Time:

MOSI stable after SCLK lo→hi

7.5

ns

I207 tpSD

Propagation Delay:

MISO stable after SCLK hi→lo

CL = 50 pF

25

ns

I208 tpCD

Propagation Delay:

MISO high impedance after NCS lo→hi

CL = 50 pF

25

ns

I209 tCh

Signal Duration:

NCS hi

10

ns

Figure 7: Read/write access (SPI mode)