68HC05BD2 데이터 시트보기 (PDF) - Freescale Semiconductor

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68HC05BD2

SPECIFICATION REV 2.0 (General Release)

Freescale Semiconductor 

MC68HC05BD7 RevF. 2r.e0escale SemicondGuEcNtoERr,AILnRcE.LEASE SPECIFICATION

SECTION 2

MEMORY

The MC68HC05BD7 has a 16K byte memory map, consisting of user ROM/EPROM, RAM,

Self-Check/Bootstrap ROM, and I/O as shown in Figure 2-1.

$0000

I/O

48 Bytes

$0030

$00C0

Y $0100

AR $01B0

Stack

RAM

64 Bytes

256 Bytes for HC05BD2

384 Bytes for HC05BD7/HC705BD7

Unused

IN $0E00

IM $0FE0

L $1000

PRE $2800

480 Bytes Bootstrap ROM for HC705BD7

Unused in HC05BD2/HC05BD7

User ROM

5.57K-bytes for HC05BD2

11.75K-bytes for HC05BD7

User EPROM

11.5K-bytes for HC705BD7

$3E00

$3F00 224 Bytes Self-Check ROM for HC05BD2/HC05BD7

Unused in HC705BD7

$3FE0

Self-Check/Bootstrap Vectors 16 Bytes

$3FF0

$3FFF

User Vectors 16 Bytes

Figure 2-1: The 16K Memory Map of the MC68HC05BD7

SECTION 2: MEMORY

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