Figure B-1 XC196NP 100-lead Sqfp Package

8XC196NP, 80C196NU USER’S MANUAL

RESET# 1 NMI 2 EA# 3 A0 4

A1 5

VCC 6

VSS 7

A2 8

A3 9

A4 10

A5 11

A6 12

A7 13

VCC 14

VSS 15

NC 16

NC 17 P3.0 / CS0# 18 P3.1 / CS1# 19 P3.2 / CS2# 20 P3.3 / CS3# 21

VSS 22 P3.4 / CS4# 23

P3.5 / CS5# 24

P3.6 / EXTINT2 25

AD0	AD1	AD2	AD3	AD4	AD5	AD6	AD7	V		AD8	V		AD9	AD10	AD11	AD12	AD13	AD14	AD15	A16/ EPORT.0	A17/ EPORT.1	V		V		A18/ EPORT.2	A19/ EPORT.3	WR#/ WRL#
									CC			SS											CC		SS

100	99	98	97	96	95	94	93	92		91	90		89	88	87	86	85	84	83	82	81	80		79		78	77	76

x8XC196NP

View of component as mounted on PC board

26	27	28		29	30	31	32	33	34		35	36		37	38	39	40	41	42		43		44	45	46	47	48	49	50


EXTINT3/P3.7	P1.0/ EPA0	V		P1.1/ EPA1	P1.2/ EPA2	P1.3/ EPA3	/P1.4T1CLK	P1.5/ T1DIR	V		/P1.6T2CLK	V		P1.7/ T2DIR	/P4.0PWM0	/P4.1PWM1	/P4.2PWM2	P4.3	V		V		P2.0/ TXD	P2.1/ RXD	EXTINT0/P2.2	/P2.3BREQ#	EXTINT1/P2.4	/P2.5HOLD#	/P2.6HLDA#
			CC							CC			SS							CC		SS

75 RD#

74 BHE# / WRH#

73 ALE

72 INST

71 READY

70 RPD

69 ONCE

68 VSS

67 VCC

66 VSS

65 A8

64 A9

63 A10

62 A11

61 A12

60 A13

59 A14

58 A15

57 NC

56 VSS

55 XTAL1

54 XTAL2

53 VSS

52 NC

51 P2.7 / CLKOUT

A2348-03

Figure B-1. 8XC196NP 100-lead SQFP Package

B-2

Microcontroller, 80C196NU, 8XC196NP specifications

The Intel 8XC196NP and 80C196NU microcontrollers are part of Intel's renowned 16-bit microcontroller series that gained popularity in the 1980s and 1990s for embedded systems applications. Designed for a variety of applications, these microcontrollers are characterized by their robust performance, versatility, and industry-standard architecture.

The 8XC196NP features an enhanced instruction set with over 100 instructions, allowing for efficient code execution. It operates at clock speeds up to 16 MHz, which contributes to improved performance in time-sensitive applications. The microcontroller is equipped with a 16-bit data bus, enabling more efficient data handling compared to its 8-bit predecessors, thus accommodating complex algorithms and large data sets.

In terms of memory architecture, the 8XC196NP supports an addressable memory space of up to 64 KB of program memory and 64 KB of data memory. This configuration provides sufficient space for large applications while ensuring fast data access. The microcontroller includes integrated features such as timers, serial I/O capabilities, and interrupt processing, which enhance its functionality for real-time applications and control mechanisms.

The 80C196NU, on the other hand, is designed for lower power operation, making it suitable for battery-powered devices. This microcontroller maintains similar features to the 8XC196NP while offering advancements that support low-power consumption. The 80C196NU can also function in a range of temperature environments, making it adaptable for industrial applications.

Both the 8XC196NP and 80C196NU support external memory interfacing, allowing designers to expand the system's capability by connecting additional ROM and RAM. This flexibility makes them appealing for developing complex systems, such as motor controls, industrial automation, and consumer electronics.

Another standout feature of these microcontrollers is their built-in debugging capabilities. Intel provided hardware and software tools that enabled developers to test and troubleshoot their applications effectively, reducing the development time and increasing reliability.

Overall, the Intel 8XC196NP and 80C196NU microcontrollers stand out for their dependability, versatility, and performance, contributing significantly to the evolution of embedded system design. Their legacy continues to influence modern microcontroller technology, ensuring their relevance in a wide array of applications today.

Intel Microcontroller, 80C196NU manual Figure B-1 XC196NP 100-lead Sqfp Package, X8XC196NP

Models: Microcontroller 80C196NU 8XC196NP