7733 datasheet(61/940 Pages) RENESAS

61 / 940 page

CENTRAL PROCESSING UNIT (CPU)

7733 Group User’s Manual

2–22

Fig. 2.4.4 M37733MHBXXXFP’s memory map (3)

2.4 Memory allocation

00FFFF16

01000016

02000016

UART1 transmission

01FFFF16

FF000016

00000016

00007F16

00008016

00087F16

FFFFFF16

00C00016

00000016

00007F16

00008016

000FFF16

00FFFF16

01000016

FFFFFF16

00000016

RESET

00007F16

00FFD616

00FFFE16

A-D/UART2 trans./rece.

00800016

SFR area

Internal RAM area

2048 bytes

Bank 016

Bank 116

Bank FF16

Internal ROM area

16 Kbytes

Bank 216

(28 Kbytes)

UART1 reception

UART0 reception

Timer B2

Timer B1

Timer B0

Timer A4

Timer A3

Timer A2

Timer A1

Timer A0

INT2/Key input

INT1

INT0

Watchdog timer

DBC

BRK instruction

Zero divide

Interrupt vector

table

SFR area

Internal RAM area

3968 bytes

Peripheral device

control registers

(SFR)

: Unused area in the single-chip mode

External memory area in the

memory expansion or

microprocessor mode

• Memory allocation selection bits (b2, b1, b0)=(1, 0, 1)

• ROM size: 16 Kbytes

• RAM size: 2048 bytes

• Memory allocation selection bits (b2, b1, b0)=(1, 1, 0)

• ROM size: 96 Kbytes

• RAM size: 3968 bytes

(45.9 Kbytes)

UART0 transmission

Refer to

Appendix 2.

02FFFF16

Notes 1: Access to internal ROM area is disabled in the microprocessor mode.

(Refer to section “2.5 Processor modes.”)

2: Banks 1016 to FF16 cannot be accessed in the 7735 Group and in external bus mode B of

the 7736 Group.

Internal ROM area

32 Kbytes

00100016

Internal ROM area

64 Kbytes

01FFFF16

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