SIGNAL DESCRIPTIONS

AD0 1

NC 2 RESET# 3 NMI 4 NC 5 A0 6

A1 7

VCC 8

VSS 9 A2 10

A3 11

A4 12

A5 13

A6 14

A7 15

VCC 16

VSS 17 PLLEN1 18

P3.0 / CS0# 19

P3.1 / CS1# 20

P3.2 / CS2# 21

P3.3 / CS3# 22

VSS 23 P3.4 / CS4# 24

P3.5 / CS5# 25

P3.6 / EXTINT2 26 NC 27 P3.7 / EXTINT3 28

P1.0 / EPA0 29 VCC 30

AD1

AD2

AD3

AD4

AD5 AD6

AD7

V

AD8

V

AD9

AD10

AD11

AD12

AD13

AD14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC

 

 

 

 

SS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

99

98

97

96

95

94

93

92

91

90

89

88

87

86

85

x8XC196NU

View of component as mounted on PC board

31

32

33

34

35

36

 

37

38

 

39

40

41

42

43

44

 

45

 

46

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

/P1.1EPA1

/P1.2EPA2

/P1.3EPA3

T1CLK/P1.4

/P1.5T1DIR

V

T2CLK/P1.6

V

/P1.7T2DIR

/P4.0PWM0

/P4.1PWM1

/P4.2PWM2

P4.3

V

V

P2.0/ TXD

 

 

 

 

 

 

 

 

 

 

CC

 

 

 

SS

 

 

 

 

 

 

 

 

 

 

 

CC

 

SS

 

 

AD15

EPORT.0

EPORT.1

 

 

 

A16/

A17/ V

 

 

 

 

 

 

 

 

 

CC

 

 

 

 

 

 

 

 

 

 

 

84

83

82

81

47

48

49

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P2.1 / RXD

P2.2 / EXTINT0

P2.3 / BREQ#

P2.4 / EXTINT1

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

VSS

A18 / EPORT.2

A19 / EPORT.3

WR# / WRL#

RD#

BHE# / WRH#

ALE

INST

READY

RPD

ONCE PLLEN2

VCC

VSS

A8

A9

A10

A11

A12

A13

A14

A15

VSS

XTAL1

XTAL2

VSS

P2.7 / CLKOUT

VCC

P2.6 / HLDA# P2.5 / HOLD#

A2824-02

Figure B-4. 80C196NU 100-lead QFP Package

B-5

Page 379 Page 381
Page 380
Image 380
Intel Microcontroller, 80C196NU, 8XC196NP manual Figure B-4 C196NU 100-lead QFP Package
Page 379 Page 381

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.
Top Page Image Contents