CP3BT26

 

 

Table 88

Microwire/SPI Signals

 

 

 

 

 

 

 

 

Symbol

Figure

Description

 

Reference

Min (ns)

Max (ns)

 

 

 

 

 

 

 

 

 

 

 

Normal Mode: After FE on

 

 

tMDOv

120

Microwire Data Out Valid

 

MSK

 

25

 

 

 

 

Alternate Mode: After RE

 

 

 

 

 

 

 

 

 

 

 

on MSK

 

 

 

 

 

 

 

 

 

 

 

 

 

Propagation Time

 

 

tMITOp

124

MDODI to MDIDO

 

Value is the same in all

 

25

(slave only)

 

clocking modes of the

 

 

 

 

 

Microwire

 

 

 

 

 

 

 

 

 

 

 

 

tMSKp

 

MSK

 

 

 

 

tMSKs

 

tMSKh

tMSKl

tMSKhd

 

 

 

Data In

 

msb

 

lsb

 

tMDls

tMDlh

 

 

MDIDO

 

msb

 

lsb

(slave)

 

 

 

 

 

 

tMDOf

 

 

 

tMDOv

 

 

 

 

tMDOff

 

 

 

 

tMDOh

MDODI

msb

 

lsb

(master)

 

 

 

 

 

tMSKd

MCS (slave)

tMCSs

tMCSh

DS101

Figure 120. Microwire Transaction Timing, Normal Mode, SCIDL = 0

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Image 254
National CP3BT26 Normal Mode After FE on, Microwire Data Out Valid, Alternate Mode After RE On MSK Propagation Time, 254