HD404392 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD404392

4-bit microcomputers

Hitachi -> Renesas Electronics 

HD404344R Series/HD404394 Series

Memory Map

ROM Memory Map

The ROM memory map for the MCU is shown in figure 1 and explained as follows.

0

15

16

63

64

1023

1024

2047

2048

4095

4096

$0000

Vector address

$000F

$0010

Zero-page subroutine

(64 words)

HD404341R, HD40C4341R, HD404391

program/pattern

(1,024 words)

HD404342R, HD40C4342R, HD404392

program/pattern

(2,048 words)

HD404344R, HD40C4344R, HCD404344R,

HCD40C4344R,HD404394, HD4074344, HD4074394

program/pattern

(4,096 words)

$003F

$0040

$03FF

$0400

$07FF

$0800

$0FFF

$1000

0

JMPL instruction

$0000

1 (jump to RESET, STOPC routine) $0001

2

JMPL instruction

$0002

3

(jump to INT0 routine)

$0003

4

$0004

5

$0005

Not used

6

$0006

7

$0007

8

JMPL instruction

$0008

9

(jump to timer B routine)

$0009

10

JMPL instruction

$000A

11

(jump to timer C routine)

$000B

12

JMPL instruction

$000C

13 (jump to A/D converter routine) $000D

14

JMPL instruction

$000E

15

(jump to serial routine)

$000F

Not used

16383

$3FFF

Figure 1 ROM Memory Map

14

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