UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 18

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UPD784026

Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
CHAPTER 4 CLOCK GENERATOR ..............................................................................................
CHAPTER 5 PORT FUNCTIONS ...................................................................................................
3.8
3.9
3.10
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
5.5
5.6
3.7.3
3.7.4
GENERAL-PURPOSE REGISTERS ................................................................................................
3.8.1
3.8.2
SPECIAL FUNCTION REGISTERS (SFRS) ..................................................................................
CAUTIONS ..........................................................................................................................................
CONFIGURATION AND FUNCTION ...............................................................................................
CONTROL REGISTERS ...................................................................................................................
4.2.1
4.2.2
CLOCK GENERATOR OPERATION ...............................................................................................
4.3.1
4.3.2
CAUTIONS ..........................................................................................................................................
4.4.1
4.4.2
DIGITAL INPUT/OUTPUT PORTS ..................................................................................................
PORT 0 ................................................................................................................................................
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
PORT 1 ................................................................................................................................................
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
PORT 2 ................................................................................................................................................
5.4.1
5.4.2
5.4.3
5.4.4
PORT 3 ................................................................................................................................................
5.5.1
5.5.2
5.5.3
5.5.4
PORT 4 ..............................................................................................................................................
5.6.1
Use of RSS Bit ......................................................................................................................
Stack Pointer (SP) ................................................................................................................
Configuration .........................................................................................................................
Functions ...............................................................................................................................
Standby Control Register (STBC) ........................................................................................
Oscillation Stabilization Time Specification Register (OSTS) ............................................
Clock Oscillator .....................................................................................................................
Frequency Divider ................................................................................................................
When an External Clock Is Input .........................................................................................
When Crystal/Ceramic Oscillation is Used ..........................................................................
Hardware Configuration .......................................................................................................
Input/Output Mode/Control Mode Setting ............................................................................
Operating Status ...................................................................................................................
Internal Pull-Up Resistors ....................................................................................................
Transistor Drive ....................................................................................................................
Hardware Configuration .......................................................................................................
Input/Output Mode/Control Mode Setting ............................................................................
Operating Status ...................................................................................................................
Internal Pull-Up Resistors ....................................................................................................
Direct LED Drive ...................................................................................................................
Hardware Configuration .......................................................................................................
Input Mode/Control Mode Setting ........................................................................................
Operating Status ...................................................................................................................
Internal Pull-Up Resistors ....................................................................................................
Hardware Configuration .......................................................................................................
Input/Output Mode/Control Mode Setting ............................................................................
Operating Status ...................................................................................................................
Internal Pull-Up Resistors ....................................................................................................
Hardware Configuration .......................................................................................................
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