C8051F360 datasheet(24/288 Pages) SILABS

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C8051F360/1/2/3/4/5/6/7/8/9

Rev. 1.0

1.2.

On-Chip Memory

The CIP-51 has a standard 8051 program and data address configuration. It includes 256 bytes of data

RAM, with the upper 128 bytes dual-mapped. Indirect addressing accesses the upper 128 bytes of general

purpose RAM, and direct addressing accesses the 128 byte SFR address space. The lower 128 bytes of

RAM are accessible via direct and indirect addressing. The first 32 bytes are addressable as four banks of

general purpose registers, and the next 16 bytes can be byte addressable or bit addressable.

Program memory consists of 32/16 kB of Flash. This memory may be reprogrammed in-system in 1024

byte sectors, and requires no special off-chip programming voltage. See Figure 1.6 for the MCU system

memory map.

FLASH

(In-System

Programmable in 1024

Byte Sectors)

PROGRAM MEMORY

0x0000

(Direct and Indirect

Addressing)

0x00

0x7F

Upper 128 RAM

(Indirect Addressing

Only)

0x80

0xFF

Special Function

(Direct Addressing Only)

RESERVED

0x7C00

0x7BFF

DATA MEMORY

General Purpose

Registers

0x1F

0x20

0x2F

Bit Addressable

Lower 128 RAM

(Direct and Indirect

Addressing)

0x30

C8051F360/1/2/3/4/5/6/7

FLASH

(In-System

Programmable in 1024

Byte Sectors)

0x0000

0x4000

0x3FFF

C8051F368/9

EXTERNAL DATA ADDRESS SPACE

INTERNAL DATA ADDRESS SPACE

XRAM - 1024 Bytes

(accessable using MOVX

instruction)

0x0000

0x03FF

Same 1024 bytes as from

0x0000 to 0x03FF, wrapped

on 1024-byte boundaries

0x0400

0xFFFF

RESERVED

Figure 1.6. On-Board Memory Map

1.3.

On-Chip Debug Circuitry

The C8051F36x devices include on-chip Silicon Labs 2-Wire (C2) debug circuitry that provides non-intru-

sive, full speed, in-circuit debugging of the production part installed in the end application.

Silicon Labs' debugging system supports inspection and modification of memory and registers, break-

points, and single stepping. No additional target RAM, program memory, timers, or communications chan-

C8051F360 Datasheet(PDF) 24 Page - Silicon Laboratories

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