HD404458H datasheet(10/122 Pages) RENESAS

Part #	HD404458H

Description	4-bit HMCS400-series microcomputers

Download	122 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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10 / 122 page

HD404459 Series

8

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

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24

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30

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43

44

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46

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48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

$000

$001

$002

$003

$004

$005

$006

$007

$008

$009

$00A

$00B

$00C

$00D

$00E

$00F

$010

$011

$012

$013

$014

$015

$016

$017

$018

$019

$01A

$01B

$01C

$01D

$01E

$01F

$020

$021

$022

$023

$024

$025

$026

$027

$028

$029

$02A

$02B

$02C

$02D

$02E

$02F

$030

$031

$032

$033

$034

$035

$036

$037

$038

$039

$03A

$03B

$03C

$03D

$03E

$03F

10

11

$00A

$00B

Timer read register B lower

Timer read register B upper

(TRBL)

(TRBU)

R

Timer write register B lower

Timer write register B upper

(TWBL)

(TWBU)

W

14

15

$00E

$00F

Timer read register C lower

Timer read register C upper

(TRCL)

(TRCU)

R

Timer write register C lower

Timer write register C upper

(TWCL)

(TWCU)

W

17

18

$011

$012

Timer read register D lower

Timer read register D upper

(TRDL)

(TRDU)

R

Timer write register D lower

Timer write register D upper

(TWDL)

(TWDU)

W

0

64

80

512

768

960

$000

$040

$050

$200

$300

$3C0

1023

$3FF

*

Note: * Two registers are mapped

onto the same address

($00A, $00B, $00E, $00F,

$011, and $012).

R:

W:

R/W:

Read only

Write only

Read/write

Interrupt control bits area

Port mode register A

Serial mode register A

Serial data register lower

Serial data register upper

Timer mode register A

Timer mode register B1

Miscellaneous register

Timer mode register C1

Timer mode register D1

Timer mode register B2

Timer mode register C2

Timer mode register D2

Comparator control register

Comparator enable register

Wakeup select register

Port mode register B

Port mode register C

Detection edge select register 1

Detection edge select register 2

Serial mode register B

System clock select register 1

System clock select register 2

Port D

0 to D3 DCR

Port D

4 to D7 DCR

Port D

8 to D9 DCR

Port R

0 DCR

Port R

1 DCR

Port R

2 DCR

Port R

3 DCR

Port R

4 DCR

Port R

5 DCR

Port R

6 DCR

Port R

7 DCR

Port R

8 DCR

Port R

9 DCR

(PMRA)

(SMRA)

(SRL)

(SRU)

(TMA)

(TMB1)

(TRBL/TWBL)

(TRBU/TWBU)

(MIS)

(TMC1)

(TRCL/TWCL)

(TRCU/TWCU)

(TMD1)

(TRDL/TWDL)

(TRDU/TWDU)

(TMB2)

(TMC2)

(TMD2)

(CCR)

(CER)

(WSR)

(PMRB)

(PMRC)

(ESR1)

(ESR2)

(SMRB)

(SSR1)

(SSR2)

(DCD0)

(DCD1)

(DCD2)

(DCR0)

(DCR1)

(DCR2)

(DCR3)

(DCR4)

(DCR5)

(DCR6)

(DCR7)

(DCR8)

(DCR9)

W

R/W

W

R/W

W

R/W

W

R/W

W

R/W

R

W

Register flag area

Not used

RAM-mapped register

Memory register (MR)

HD404458

Data (432 digits)

HD404459, HD4074459

Data (688 digits)

Stack (64 digits)

Not used

Timer B

Timer C

Timer D

Figure 2 RAM Memory Map

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