User`s manual

PCA4738xx-xxA User's Manual 2．Usage (How to Write the Program)
2.4 Switch Settings
2.4.1 Switches SW1 and SW2
(1) For PCA4738S-42A and PCA4738F-42A
Set the switches SW1 and SW2 according to the output format of the MCU ports. See Table 2.2 and Figure 2.4.
Table 2.2 Switch settings (PCA4738S-42A and PCA4738F-42A)
Switch Output format Switch setting
CMOS CMOS
Pch
R20UT0273EJ0200 Rev.2.00 Page 17 of 28
Oct 01, 2010
Pch
SW1 P00--P03
Nch Nch
CMOS CMOS
Pch Pch
SW2 P04--P07
Nch Nch
(2) For all adapters except the PCA4738S-42A and PCA4738F-42A
Set the switches SW1 and SW2 according to the output format of the MCU ports. See Table 2.3 and Figure 2.4.
Table 2.3 Switch settings (all adapters except PCA4738S-42A and PCA4738F-42A)
Switch Output format Switch setting
CMOS CMOS
Pch Pch
SW1 P20--P23
Nch Nch
CMOS CMOS
Pch Pch
SW2 P24--P27
Nch Nch
2.4.2 Switch SW3
Table 2.4 Switch settings of SW3
MCU type name Switch setting
M38103E6SS/SP/FS/FP
M38114E8SS/SP/FS/FP
M38174E8FS/FP
M38177ECFS/FP
M38185EEFS/FP
ON
Other MCUs OFF
CAUTION
The PC4738S-42A and PCA4738F-42A do not have switch SW3.