UPD780982 View Datasheet(PDF) - NEC => Renesas Technology

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UPD780982

8-Bit Single-Chip Microcontrollers

NEC => Renesas Technology 

CHAPTER 3 CONTROL

3.4 Tables

Table 3-7 lists the data tables used by the sample application.

Table 3-7. Data Tables

Symbol

SINTBL[]

Bytes

256

SINTBL1[]

512 × 2

VFTBL[]

4×8

VFTBL1[]

157

VFTBL2[]

157

VFTBL3[]

157

VFTBL4[]

157

VFTBL5[]

157

VFTBL6[]

157

VFTBL7[]

157

VFTBL8[]

157

CRRYTBL[] 10 × 2

FMXTBL[]

10 × 2

DMXTBL[]

10

CHDSPTBL[] 4 × 2

CHNGTBL[] 4 × 2

LEDTBL[]

26

TMCLKTBL[] 4 × 8

CMNTBL10[] 8

CMNTBL8[] 8

Value to Be Specified

Sine wave data (1 cycle)

...sinθ × 7FH + 7FH

Sine wave data (1 cycle)

...sinθ × 1FFH + 1FFH

V/f table address

Start address of VFTBL1 to VFTBL8

V/f modulation ratio (1)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (2)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (3)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (4)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (5)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (6)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (7)

...(Modulation ratio) × 100H (256)

V/f modulation ratio (8)

...(Modulation ratio) × 100H (256)

(Carrier frequency)

Example 1,530 Hz: 5FAH (1530)

(Maximum output frequency) × 10

Example 100 Hz: 3E8H (1000)

Argument at DEADTBL[] reference

Frequency change rate

8-segment LED display data

Frequency change rate for WAITCNT

setting

8-segment LED display pattern

Clock for TM7 operation

Example 8 MHz: 1200H, 007AH

Minimum carrier frequency

(TM7 is 10 bits long.)

Example 4 kHz: 14H (20)

Minimum carrier frequency

(TM7 is 8 bits long.)

Example 16 kHz: 50H (80)

Argument

HL of RB1

Referencing

INTTM7 interrupt processing

HL of RB1

INTTM7 interrupt processing

P20 to P22

Variable initialization

VFP

Inverter output setting

VFP

Inverter output setting

VFP

Inverter output setting

VFP

Inverter output setting

VFP

Inverter output setting

VFP

Inverter output setting

VFP

Inverter output setting

VFP

Inverter output setting

NCRRY

Inverter output setting

NCRRY

Key setting

NCRRY

NCHNG

Key setting

LED display setting

NCHNG

Inverter output setting

Character code

TM7CLK

LED display setting

Inverter output setting

TM7CLK

Variable initialization

Key setting

TM7CLK

Variable initialization

Key setting

32

Application Note U13119EJ4V0AN

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