P83CL782 datasheet(13/76 Pages) PHILIPS

13 / 76 page

1997 Mar 14

Philips Semiconductors

Product speciﬁcation

Low voltage 8-bit microcontrollers with

UART and I2C-bus

P83CL781; P83CL782

Access to memory addressing is as follows:

• Registers in one of the four register banks through

• 256 bytes of internal data RAM through direct or

• Special Function Registers through direct

• External Data Memory through register-indirect

• Program Memory look-up tables through base-register

plus index-register-indirect.

The P83CL78x is classified as an 8-bit device since the

internal ROM, RAM, Special Function Registers,

Arithmetic Logic Unit and external data bus are all 8-bits

wide. It performs operations on bit, nibble, byte and

double-byte data types.

Facilities are available for byte transfer, logic and integer

arithmetic operations. Data transfer, logic and conditional

branch operations can be performed directly on Boolean

variables to provide excellent bit handling.

Fig.6 Memory map.

handbook, full pagewidth

MLA605

INTERNAL

DATA RAM

255

127

EXTERNAL

(EA = 0)

INTERNAL

(EA = 1)

INTERNAL DATA MEMORY

EXTERNAL

DATA MEMORY

PROGRAM MEMORY

EXTERNAL

64 kbytes

16 kbytes

OVERLAPPED SPACE

16 kbytes

SPECIAL

FUNCTION

REGISTERS

(INDIRECT

ONLY)

P83CL782 Datasheet(PDF) 13 Page - NXP Semiconductors

P83CL782 Datasheet(HTML) 13 Page - NXP Semiconductors

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