W79E225A_08 Datasheet, PDF (192/203 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E225A/226A/227A Data Sheet
STOP
START
SDA
SCL
tBUF
tLOW
tHD;STA
tHIGH
tHD;DAT
tr
tf
tSU;DAT
Figure 24-1: I2C Bus Timing
24.6 Program Memory Read Cycle
Repeated
START
tSU;STA
STOP
tSU;STO
ALE
PSEN
PORT 0
PORT 2
t_LHLL
t_AVLL
t_LLIV
t_LLAX1
t_PLPH
t_PLIV
t_LLPL
t_PLAZ
t_PXIX
t_PXIZ
ADDRESS
A0-A7
t_AVIV1
t_AVIV2
INSTRUCTION
IN
ADDRESS A8-A15
ADDRESS
A0-A7
ADDRESS A8-A15


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Publication Release Date: April 15, 2008
Revision A4.0