W741E20X Datasheet, PDF (19/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
Bit 0 = 1
Bit 1 = 1
Bit 2 = 1
Bit 3 = 1
Signal change at RC.0
Signal change at RC.1
Signal change at RC.2
Signal change at RC.3
RC.0
DATA BUS
RC.1
RC.2
RC.3
MOVA R, RC
Signal
change
detector
Signal
change
detector
Signal
change
detector
Signal
change
detector
PM4.0
PEF.0
PM4.1
PEF.1
PM4.2
PEF.2
PM4.3
PEF.3
DQ
ck
R
PSR0.0
DQ
ck
R
PSR0.1
DQ
ck
R
PSR0.2
DQ
ck
R
PSR0.3
Falling
edge
detector
SEF.0
PM4.0
Falling
edge
detector
SEF.1
PM4.1
Falling
edge
detector
SEF.2
PM4.2
Falling
edge
detector
SEF.3
PM4.3
DQ
ck
R
EVF.2
HEF.2
IEF.2
HCF.2
INT 2
CLR EVF, #I
Reset
Reset
MOV PEF, #I
CLR PSR0
Wake up from STOP mode
Figure 10. Input Architecture of Ports RC
- 19 -
Publication Release Date: March 1998
Revision A1