UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 89

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Note PU1 selects whether on-chip pull-up resistors are to be used in 1-bit units.
Note PU2 selects whether on-chip pull-up resistors are to be used in 2-bit units (bit n and bit n+1).
Caution Bits 6 and 7 must be fixed to 0.
Symbol
Symbol
PU2
PU1
PU2mn
PU12m
PU127 PU126 PU125 PU124 PU123 PU122 PU121 PU120
<7>
7
0
0
1
0
1
On-chip pull-up resistor not used
On-chip pull-up resistor used
On-chip pull-up resistor not used
On-chip pull-up resistor used
<6>
6
0
PU292 PU290 PU286 PU284 PU282 PU280
<5>
<5>
Figure 4-17. Format of Pull-Up Resistor Option Register 1
Figure 4-18. Format of Pull-Up Resistor Option Register 2
<4>
<4>
<3>
<3>
CHAPTER 4 PORT FUNCTIONS
<2>
<2>
User’s Manual U13952EJ3V1UD
<1>
<1>
Pm on-chip pull-up resistor selection
P2 on-chip pull-up resistor selection
(m = 8 or 9; n = 0, 2, 4, or 6)
<0>
<0>
(m = 0 to 7)
Address
Address
FFF3H
FFF4H
After reset
After reset
00H
00H
Note
Note
R/W
R/W
R/W
R/W
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