beautypg.com

Cp3bt26 – National CP3BT26 User Manual

Page 254

background image

www.national.com

254

CP3BT26

Figure 120.

Microwire Transaction Timing, Normal Mode, SCIDL = 0

t

MDOv

120

Microwire Data Out Valid

Normal Mode: After FE on
MSK

25

Alternate Mode: After RE
on MSK

t

MITOp

124

MDODI to MDIDO
(slave only)

Propagation Time
Value is the same in all
clocking modes of the
Microwire

25

Table 88

Microwire/SPI Signals

Symbol Figure

Description

Reference

Min (ns)

Max (ns)

lsb

msb

t

MSKp

t

MSKh

t

MDlh

t

MSKd

t

MCSs

t

MCSh

t

MDls

t

MSKs

t

MDOf

t

MDOv

t

MDOff

t

MDOh

t

MSKhd

Data In

lsb

msb

MDODI

(master)

msb

lsb

MDIDO

(slave)

MSK

MCS

(slave)

t

MSKl

DS101