SIGNAL DESCRIPTIONS

EPORT.2 P3.1 / SLP1 / PBUS1 P3.2 / SLP2 / PBUS2 P3.3 / SLP3 / PBUS3 P3.4 / SLP4 / PBUS4 P3.5 / SLP5 / PBUS5 P3.6 / SLP6 / PBUS6 P3.7 / SLP7 / PBUS7

P4.0 / PBUS8 P4.1 / PBUS9 / P4.2 / PBUS10 / P4.3 / PBUS11 / P4.4 / PBUS12 / P4.5 / PBUS13 / P4.6 / PBUS14 / P4.7 / PBUS15 EPORT.0 EPORT.1

A18/ AD1/ AD2/ AD3/ AD4/ AD5/ AD6/ AD7/ V V AD8 AD9/ AD10 AD11 AD12 AD13 AD14 AD15 A16/ A17/

 

/

 

CC SS1

NC1 AD0 / P3.0 / SLP0 / PBUS02 RESET#3 NMI4 EA# 5 VSS1 6 NC 7 VCC 8 NC9

VSS 10

NC11

NC12

NC13

NC14 P2.0 / TXD / PVER15 P2.1 / RXD / PALE#16 P2.2 / EXTINT / PROG#17 P2.3 / BREQ#18 NC19

P2.4 / INTOUT# / AINC#20

P2.5 / HOLD#21

P2.6 / HLDA# / CPVER / ONCE#22

P2.7 / CLKOUT / PACT#23

VCC 24

VSS1 25

P0.0 / ACH026

P0.1 / ACH127

P0.2 / ACH228

P0.3 / ACH329

P0.4 / ACH4 / PMODE.030

100

31

99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81

 

 

 

 

80

P5.7

/ BUSWIDTH

 

79

P5.2

/ WR# / WRL# / SLPWR#

 

78

P5.5

/ BHE# / WRH#

 

77

P5.3

/ RD# / SLPRD#

 

76

A20 / EPORT.4

 

75

A21 / EPORT.5

 

74

A22 / EPORT.6

 

73

VPP

 

 

72

A23 / EPORT.7

 

71

P5.0

/ ADV# / ALE / SLPALE

xx87C196CB

70

P5.1

/ INST / SLPCS#

69

P5.6

/ READY

 

68

P5.4

/ SLPINT

 

67

A19 / EPORT.3

 

66

NC

 

 

65

VCC

 

 

64

NC

 

View of component as

63

VSS1

 

mounted on PC board

62

VSS

 

61

NC

 

 

60

RXCAN

 

59

TXCAN

 

58

XTAL1

 

57

XTAL2

 

56

NC

 

 

55

P6.7

/ SD1

 

54

P6.6

/ SC1

 

53

P6.5

/ SD0

 

52

P6.4

/ SC0

32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

51

VCC

 

 

REF CC SS1

P0.5 / ACH5 PMODE.1/ P0.6 / ACH6 PMODE.2/ P0.7 / ACH7 PMODE.3/ ANGND

V

V V P1.7 EPA7/ P1.6 EPA6/ P1.5 EPA5/ P1.4 EPA4/ P1.3 EPA3/ P1.2 / EPA2 T2DIR/ P1.1 EPA1/ P1.0 / EPA0 T2CLK/ P6.0 / EPA8 COMP0/ P6.1 / EPA9 COMP1/ P6.2 T1CLK/ P6.3 T1DIR/ PLLEN

 

 

 

A3171-02

Figure A-2. 87C196CB 100-pin QFP Package

A.2 SIGNAL DESCRIPTIONS

Table A-2 defines the columns used in Table A-3, which describes the signals.

A-3

Page 124
Image 124
Intel 87C196CB, 8XC196NT user manual Signal Descriptions

8XC196NT, 87C196CB specifications

The Intel 87C196CB and 8XC196NT are microcontrollers from the C196 family, which was designed to meet the demands of embedded control technology. These microcontrollers are popular in various applications due to their robust architecture, extensive I/O capabilities, and specialized functionality, making them ideal for automotive, industrial, and communication systems.

The 87C196CB is distinguished by its 16-bit architecture, offering a balance of processing power and efficiency. It features a 16-bit data bus, which allows for fast data processing, and a 16-bit address bus, supporting up to 64KB of program memory. The microcontroller integrates on-chip memory, including 2KB of ROM and 128 bytes of RAM, which facilitates faster execution of programs and data handling.

One of the standout features of the 87C196CB is its versatility in I/O operations. It comes equipped with 32 general-purpose I/O lines that can be configured for various functions, including input, output, and interrupt handling. This flexibility enables developers to optimize the microcontroller for their specific application needs.

The 8XC196NT builds on the capabilities of its predecessor, offering advanced functionalities such as an enhanced instruction set and integrated peripherals. It includes additional features like timers, serial communication interfaces, and analog-to-digital converters, which expand its usability in complex embedded systems. The 8XC196NT supports multiple addressing modes, allowing for more efficient programming and memory management.

Both microcontrollers utilize innovative technologies that improve performance and power efficiency. The on-chip operating system support aids in real-time processing and multitasking, making them suitable for time-sensitive applications. Power management features are also incorporated, allowing these microcontrollers to operate in low-power modes, which is crucial for battery-operated devices.

The 87C196CB and 8XC196NT microcontrollers are characterized by their reliability and long service life, meeting the stringent demands of industrial applications. Their ability to perform tasks rapidly, combined with their diverse peripheral support, makes them popular choices among engineers and developers designing embedded systems. Overall, the Intel 87C196CB and 8XC196NT microcontrollers remain relevant in the rapidly evolving landscape of embedded technology, facilitating innovative solutions across various industries.