rtd CM35I2C03HR Manuals

Manuals and User Guides for rtd CM35I2C03HR. We have 1 rtd CM35I2C03HR manual available for free PDF download: User Manual

rtd CM35I2C03HR User Manual

rtd CM35I2C03HR User Manual (31 pages)

I2C Communication Module

Brand: rtd | Category: Control Unit | Size: 1 MB

Table of Contents

Revision History
3
Table of Contents
4
Introduction
7
Product Overview
7
Board Features
7
Ordering Information
7
Table 1: Ordering Options
7
Contact Information
8
Sales Support
8
Technical Support
8
Specifications
9
Operating Conditions
9
Electrical Characteristics
9
Table 2: Operating Conditions
9
Table 3: Electrical Characteristics
9
Functional Characteristics
10
Table 4: Functional Characteristics
10
Board Connection
11
Board Handling Precautions
11
Physical Characteristics
11
Figure 1: Board Dimensions
11
Connectors and Jumpers
12
External I/O Connectors
12
CN3/CN5/CN6: Differential I2C Connector
12
Figure 2: Board Connections
12
Figure 3: CN3 / CN5 / CN6 Cabled I2C Connector
12
Table 5 CN4 Cabled I2C Connector Pin Assignments
12
CN4: Stacking I2C Connector
13
CN9/CN10/CN11: I2C Connector
13
Bus Connectors
13
Cn1(Top) & CN2(Bottom): Pcie Connector
13
Figure 4: CN4 Stacking I2C Connector
13
Figure 5: CN9 / CN10 / CN11 Cabled I2C Connector
13
Table 6: CN9/CN10/CN11 Cabled I2C Connector Pin Assignments
13
Jumpers
14
JP1: User ID Jumper
14
JP2/JP3/JP4: Voltage Select Jumper
14
Table 7 JP1- User ID Jumper (Default Open)
14
Table 8 JP2/JP3/JP4 -Voltage Select Jumper
14
Steps for Installing
15
Figure 6: Example 104™Stack
15
Functional Description
16
Block Diagram
16
Overview
16
I 2 C Host State Machine
16
Building I 2 C Packets
16
Figure 7: CM35I2C03HR Block Diagram
16
I2C Read Process
18
I2C Write Process
18
Figure 8: I2C Read Flow Chart
18
Figure 9: I2C Write Flow Chart
18
NXP PCA9616 Driver Information
19
NXP PCA9616 Buffer
19
Slave Termination Circuit
19
Figure 10: NXP PCA9616 Example Circuit
19
Figure 11: PCA9616 Termination
19
Differential Cabling
20
Register Address Space
21
Register Types
21
Function Block Mapping
21
Table 9: Function Block Mapping
21
Error! Switch Argument Not Specified.bar2: Functional Block Standard DMA
22
Fb_Dmam_Last_Action (Read/Write)
22
Fb_Dmam_Setup (Read/Write)
22
Table 10: DMA Registers
22
Fb_Dmam_Stat_Used (Read/Write)
23
Fb_Dmam_Stat_Invalid (Read/Write)
23
Fb_Dmam_Stat_Overflow (Read/Write)
23
Fb_Dmam_Stat_Underflow (Read/Write)
23
Fb_Dmam_Stat_Complete (Read/Write)
23
Fb_Dmam_Current_Buffer (Read-Only)
23
Fb_Dmam_Count (Read-Only)
23
Fb_Dmam_Rd_Fifo_Cnt(Read-Only)
23
Fb_Dmam_Wr_Fifo_Cnt(Read-Only)
23
Fb_Dmam_Addressn (Read/Write)
23
Fb_Dmam_Ctrln (Read/Write)
24
Fb_Dmam_Statn (Read/Clear)
24
BAR2: I2C Host Controller
25
Function Block Register Map
25
I2C_BUS_CTRL (Read/Write)
25
I2C_CONFIG (Read/Write)
25
FB_RST (Read/Write)
25
CLK_DIV (Read/Write)
25
Int_Ena (Maskable Read/Write)
25
INT_STAT (Read/Write)
25
Table 11: I2C Host Controller Functional Block
25
WRITE_FIFO (Read/Write)
26
WRITE_FIFO _COUNT (Read-Only)
26
READ_FIFO (Read-Only)
26
READ_FIFO_COUNT (Read-Only)
26
BAR2: Flash Programmer (Reserved)
27
SERIAL_NUMBER (Read-Only)
27
Table 12: Flash Programmer Functional Block
27
Troubleshooting
28
Additional Information
29
PC/104 Specifications
29
PCI and PCI Express Specification
29
Limited Warranty
30

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