Intel PD672X/30/32/33 manual PC Card, ZV Port, and PD6722 Pin Assignment Sheet 2

Page 12

PD672X/30/32/33 — ZV Port Implementation

Table 1. PC Card, ZV Port, and PD6722 Pin Assignment (Sheet 2 of 2)

PC Card

PC Card

I/O in PC

ZV Port Pin

I/O in ZV

PD6722S

PD6722S

 

Pin

Card

Comments

Pin

Name

Port Mode

ocket A

ocket B

Number

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

A16

I

UV2

O

41

103

Video data to ZV Port

 

 

 

 

 

 

 

 

20

A15

I

UV4

O

43

105

Video data to ZV Port

 

 

 

 

 

 

 

 

21

A12

I

UV6

O

45

107

Video data to ZV Port

 

 

 

 

 

 

 

 

22

A7

I

SCLK

I

47

109

Audio SCLK PCM signal

 

 

 

 

 

 

 

 

23

A6

I

MCLK

I

49

112

Audio MCLK PCM signal

 

 

 

 

 

 

 

 

24–25

A[5:4]

I

RESERVED

RFU

50,53

113,115

Tristated by Controller; no

connection in PC Card

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26–29

A[3:0]

I

ADDRESS[3:0]

I

55,57,58,6

118,120,

Used for accessing PC

0

121,123

Card

 

 

 

 

 

 

 

 

 

 

 

 

 

33

IOIS16#

O

PCLK

O

68

131

Pixel clock to ZV Port

 

 

 

 

 

 

 

 

46

A17

I

Y1

O

32

94

Video data to ZV Port

 

 

 

 

 

 

 

 

47

A18

I

Y3

O

34

96

Video data to ZV Port

 

 

 

 

 

 

 

 

48

A19

I

Y5

O

36

98

Video data to ZV Port

 

 

 

 

 

 

 

 

49

A20

I

Y7

O

38

100

Video data to ZV Port

 

 

 

 

 

 

 

 

50

A21

I

UV0

O

40

102

Video data to ZV Port

 

 

 

 

 

 

 

 

53

A22

I

UV1

O

42

104

Video data to ZV Port

 

 

 

 

 

 

 

 

54

A23

I

UV3

O

44

106

Video data to ZV Port

 

 

 

 

 

 

 

 

55

A24

I

UV5

O

46

108

Video data to ZV Port

 

 

 

 

 

 

 

 

56

A25

I

UV7

O

48

110

Video data to ZV Port

 

 

 

 

 

 

 

 

60

INPACK#

O

LRCLK

O

56

119

Audio LRCLK PCM signal

 

 

 

 

 

 

 

 

62

SPKR#

O

SDATA

O

59

122

Audio PCM Data signal

 

 

 

 

 

 

 

 

NOTE: ‘I’ indicates that the signal is an input to the PC Card; ‘O’ indicates that the signal is an output from the PC Card. Controller ignores BVD2/SPKR#, IOIS16#, and INPACK# during ZV Port operation.

Table 2. PC Card, ZV Port, and PD6729 Pin Assignment (Sheet 1 of 2)

PC Card

PC Card

I/O in PC

ZV Port Pin

I/O in ZV

PD6729S

PD6729S

Comments

Pin

Card

Pin

Name

Port Mode

ocket A

ocket B

Number

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

A10

I

HREF

O

77

153

Horizontal sync to ZV Port

 

 

 

 

 

 

 

 

10

A11

I

VSYNC

O

82

157

Vertical sync to ZV Port

 

 

 

 

 

 

 

 

11

A9

I

Y0

O

84

159

Video data to ZV Port

 

 

 

 

 

 

 

 

12

A8

I

Y2

O

86

162

Video data to ZV Port

 

 

 

 

 

 

 

 

13

A13

I

Y4

O

88

164

Video data to ZV Port

 

 

 

 

 

 

 

 

14

A14

I

Y6

O

90

166

Video data to ZV Port

 

 

 

 

 

 

 

 

19

A16

I

UV2

O

97

172

Video data to ZV Port

 

 

 

 

 

 

 

 

20

A15

I

UV4

O

99

174

Video data to ZV Port

 

 

 

 

 

 

 

 

NOTE: ‘I’ indicates that the signal is an input to the PC Card; ‘O’ indicates that the signal is an output from the PC Card. Controller ignores BVD2/SPKR#, IOIS16#, and INPACK# during ZV Port operation.

12

Application Note

Image 12
Contents PD672X/30/32/33 ZV Port Implementation Application Note Contents PD672X/30/32/33 ZV Port Implementation Introduction Overview Zoomed Video ZVTypical ZV Port Implementation Typical ZV Port Implementation PD672X/30/32/33 ZV Port Implementation Dedicated Socket Approach to ZV Port Implementation Dedicated Socket Approach to ZV Port ImplementationBuffer Implementation for Audio DAC Buffer Implementation for Audio DACZV Port Implementation for Socket a and B PC Card, ZV Port, and PD6722 Pin Assignment Sheet 1PC Card ZV Port Pin PD6722S CommentsPC Card, ZV Port, and PD6722 Pin Assignment Sheet 2 PC Card, ZV Port, and PD6729 Pin Assignment Sheet 1PC Card ZV Port Pin PD6729S Comments PC Card, ZV Port, and PD6729 Pin Assignment Sheet 2 PC Card, ZV Port, and PD6730/’6832 Pin Assignment Sheet 1PC Card ZV Port Pin PD6729S PC Card ZV Port Pin PD6730 orPC Card, ZV Port, and PD6730/’6832 Pin Assignment Sheet 2 PD6832 CommentsPin Layout Guidelines

PD672X/30/32/33 specifications

The Intel PD672X family, which includes the PD6720, PD6723, PD6724, and PD6725, represents a significant advancement in the realm of integrated circuit technologies, specifically catering to the demands of embedded systems and personal computer applications during the early 1990s. These components were primarily designed to serve as peripherals, particularly focusing on providing enhanced serial communication capabilities.

One of the primary features of the PD672X series is its integration of multiple communication protocols, including both RS-232 and RS-422 standards. This versatility provides developers with the ability to utilize these chips in a wide range of applications, from basic data transfer to more complex networking tasks. The chips come equipped with flexible baud rate configurations, allowing users to adapt the communication speed to the requirements of their specific applications.

Another standout technology associated with the PD672X series is the incorporation of advanced interrupt handling and buffer management systems. This feature enhances data throughput by allowing incoming data to be stored temporarily in buffers, enabling the CPU to process information without being interrupted constantly. This is particularly beneficial in environments where time-sensitive data processing is critical, such as in industrial automation and real-time communication applications.

The PD672X series is also characterized by its compact design and low power consumption, making it suitable for portable devices and applications where space and energy efficiency are of paramount importance. These attributes allow manufacturers to incorporate the chips into a broader array of devices without significant constraints on size or battery life.

Moreover, the Intel PD672X family is notable for its compatibility with a variety of operating systems, ensuring that developers can leverage its capabilities across different platforms. This compatibility promotes wider adoption of the technology, as it can easily integrate into existing systems without the need for extensive modifications.

In conclusion, the Intel PD672X/30/32/33 series stands out for its robust communication capabilities, flexible configurations, efficient data handling, compact size, and system compatibility. These features collectively contribute to its enduring relevance in the embedded systems market, providing developers with a reliable solution for a multitude of applications that require effective serial communication.