HD404019R データシートの表示（PDF） - Renesas Electronics

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HD404019R

(HD404054 / HD404094) HMCS400-series microcomputers designed to increase program productivity

Renesas Electronics 

HD404019R Series

0

$000

RAM-mapped registers

31

$01F

32

Memory registers (MR)

$020

47

$02F

48

$030

Data

(928 digits)

959

960

1023

Stack

(64 digits)

$3BF

$3C0

$3FF

0

$000

1

Interrupt control bits area

$001

2

$002

3

$003

4 Port mode register

(PMR) W $004

5 Serial mode register (SMR) W $005

6 Serial data register lower (SRL) R/W $006

7 Serial data register upper (SRU) R/W $007

8 Timer mode register A (TMA) W $008

9 Timer mode register B (TMB) W $009

10

Timer B*

(TCBL/TLRL) R/W $00A

11

(TCBU/TLRU) R/W $00B

12

$00C

Not used

31

$01F

R: Read only

W: Write only

R/W: Read/write

*: Two registers are mapped on the same address.

Timer counter B lower

10

(TCBL)

R

Timer load register B

lower (TLRL)

Timer counter B upper

11

(TCBU)

R

Timer load register B

upper (TLRU)

W $00A

W $00B

Figure 2 RAM Memory Map

9

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