UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 133
UPD78F0535GB(T)-UEU-A
Manufacturer Part Number
UPD78F0535GB(T)-UEU-A
Description
8BIT MCU, 60K FLASH, 3KB RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0535GBT-UEU-A.pdf
(773 pages)
Specifications of UPD78F0535GB(T)-UEU-A
Controller Family/series
UPD78
No. Of I/o's
55
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
60KB
Oscillator Type
External, Internal
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(3) Pull-up resistor option registers (PU0, PU1, PU3 to PU5, PU7, PU12, and PU14)
Symbol
PU12
PU14
PU0
PU1
PU3
PU4
PU5
PU7
These registers specify whether the on-chip pull-up resistors of P00 to P06, P10 to P17, P30 to P33, P40 to P43,
P50 to P53, P70 to P77, P120, P140, or P141 are to be used or not. On-chip pull-up resistors can be used in 1-
bit units only for the bits set to input mode of the pins to which the use of an on-chip pull-up resistor has been
specified in PU0, PU1, PU3 to PU5, PU7, PU12, and PU14. On-chip pull-up resistors cannot be connected to
bits set to output mode and bits used as alternate-function output pins, regardless of the settings of PU0, PU1,
PU3 to PU5, PU7, PU12, and PU14.
These registers can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets these registers to 00H.
PUmn
PU17
PU77
0
0
7
0
0
0
0
0
1
On-chip pull-up resistor not connected
On-chip pull-up resistor connected
PU06
PU16
PU76
0
0
6
0
0
0
Figure 5-28. Format of Pull-up Resistor Option Register
PU05
PU15
PU75
0
0
5
0
0
0
PU04
PU14
PU74
0
0
0
4
0
0
CHAPTER 5 PORT FUNCTIONS
User’s Manual U17260EJ6V0UD
PU03
PU13
PU33
PU43
PU53
PU73
Pmn pin on-chip pull-up resistor selection
3
0
0
(m = 0, 1, 3 to 5, 7, 12, 14; n = 0 to 7)
PU02
PU12
PU32
PU42
PU52
PU72
2
0
0
PU141
PU01
PU11
PU31
PU41
PU51
PU71
1
0
PU120
PU140
PU00
PU10
PU30
PU40
PU50
PU70
0
Address
FF3CH
FF3EH
FF30H
FF31H
FF33H
FF34H
FF35H
FF37H
After reset
00H
00H
00H
00H
00H
00H
00H
00H
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
133
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