ST STFPC320 Manuals

Manuals and User Guides for ST STFPC320. We have 1 ST STFPC320 manual available for free PDF download: Manual

ST STFPC320 Manual (78 pages)

Front panel controller/driver with standby power management and real-time clock

Brand: ST | Category: Controller | Size: 0 MB

Table of Contents
2
List of Tables
6
Device Block Diagram
9
Figure 1. STFPC320 Block Diagram
9
Functional Diagram
10
Figure 2. Functional Diagram
10
Pin Settings
11
Pin Connection
11
Figure 3. Pin Connection (Top View)
11
Pin Description
12
Table 2. Pin Description
12
Functional Description
13
Reset
13
Cold Boot up
14
Figure 4. Power-Up Behaviour
14
Entering Standby Mode
15
Figure 5. Standby Mode Behaviour
15
Wake-Up
16
Figure 6. Wake-Up
16
Interrupts/Events Handling by STFPC320
17
Ready Pin
17
Figure 7. Interrupts/Events Handling
17
Mute Pin
18
Keyscan Matrix/Front Panel Keys
18
LED Ports
18
Display
18
Normal Display
18
RTC Display
18
Remote Control Decoder
19
Pin_Av8
19
Default State Upon Power-Up
19
Initial State
20
Operating State Diagram
21
Figure 8. Operating State Diagram
21
Real-Time Clock (RTC) Operation
22
Real-Time Clock
22
2-Wire Bus Characteristics
22
Figure 9. Serial Bus Data Transfer Sequence
23
Figure 10. Acknowledgement Sequence
23
Watchdog Timer
24
Real-Time Clock (RTC)
24
Reading the Real-Time Clock
25
Writing to the Real-Time Clock
25
Register Table for RTC
26
Table 4. Register Table for RTC
26
Setting Alarm Clock Registers
27
Figure 11. Alarm Interrupt Reset Waveform
27
Calibrating the Clock
28
Figure 12. Crystal Accuracy Across Temperature
29
Figure 13. Calibrating Waveform
29
Square Wave Output
30
Century Bits
31
Oscillator Stop Detection
31
Table 7. Century Bits
31
Initial Power-On Defaults
32
Commands
33
Configuration Mode Setting Command
33
Figure 14. First Byte Format after Configuration Byte
34
Figure 15. Second Byte Format after Configuration Byte
35
Data Setting Command
36
Display Control and Hotkey Setting Command
38
Figure 16. 14-Segment + Dotpoint Display
39
Figure 17. Front Panel Hotkeys Configuration
40
Example for Device Configuration
41
Key Matrix
42
Figure 18. Key Matrix and Key-Input Data Storage RAM
42
Key Read Sequence
43
LED Port
44
Writing to LED Sequence
44
Figure 19. LED Byte Format
44
SW Data
45
Reading Switch Sequence
45
Figure 20. LED Byte Format
45
Address Setting Command
46
RTC Display Data Read
46
Display (Normal & RTC) Data Write
46
Normal Display Memory Locations
47
Configuration Data
48
Figure 21. Configuration Data Bytes
48
Figure 22. Configuration Data Bytes (Continued)
49
Interrupt Flags
50
Figure 23. Interrupt Byte Format
50
Remote Control Protocols
51
Decoded and RAW Formats
51
Sending IR Data on I C Interface
51
Figure 24. IR Data Format
51
Philips RC-5 Remote Control Protocol
52
Figure 25. Bi-Phase Coding
52
Figure 26. RC-5 Protocol Frame
52
Figure 27. Example of RC-5 Transmission
52
RC-5 Data in Decoded Format
53
RC-5 Data in RAW Format
53
Figure 28. RC-5 Data Structure in Decoded Format
53
Figure 29. RC-5 Data Structure in Raw Format
53
NEC Remote Control Protocol
54
Figure 30. Pulse Distance Modulation
54
Figure 31. the Transmitted Waveform for NEC Protocol
54
NEC in Decoded Format
55
NEC in RAW Format
55
Figure 32. NEC Data Structure in Decoded Format
55
Figure 33. NEC Data Structure in Raw Format
55
Sony Remote Control Format
56
Figure 34. Output Code Waveform Timing Definitions
56
Sony in Decoded Format
57
Sony in RAW Format
57
Figure 35. Sony Data Structure in Decoded Format
57
Figure 36. Sony Data Structure in Raw Format
57
Matsushita Remote Control Format
58
Figure 37. Matsushita Remote Control Protocol
58
Matsushita in Decoded Format
59
Figure 38. Matsushita Data Structure in Decoded Format
59
Matsushita in RAW Format
60
Figure 39. Matsushita Data Structure in Raw Format
60
R2000 Remote Control Format
61
Figure 40. Thomson R2000 Remote Control Protocol
61
R2000 in Decoded Format
62
R2000 in RAW Format
62
Figure 41. R2000 Data Structure in Decoded Format
62
Figure 42. R2000 Data Structure in Raw Format
62
RCA Remote Control Format
63
Figure 43. Thomson RCA Remote Control Protocol
63
RCA in Decoded Format
64
RCA in RAW Format
64
Figure 44. RCA Data Structure in Decoded Format
64
Figure 45. RCA Data Structure in Raw Format
64
Serial Communication Format
65
Figure 46. Complete Data Transfer
65
Figure 47. Valid Data Changes on the SDA Bus
65
Figure 48. Valid Start and Stop Conditions
65
Figure 49. Acknowledge Response from Receiver
65
Figure 50. Bus Timing Requirements Sequence
66
Figure 51. Slave Address Location
66
Figure 52. Read Mode Sequence
66
Figure 53. Alternative READ Mode Sequence
67
Figure 54. WRITE Mode Sequence
67
Electrical Characteristics
68
Absolute Maximum Ratings
68
Recommended Operating Conditions
68
Power Consumption Estimation
69
Electrical Specifications
70
Table 17. Electrical Specifications = -20 to +70 °C
70
Crystal Electrical Characteristics
71
Oscillator Characteristics
71
Table 18. Crystal Electrical Characteristics
71
Table 19. Oscillator Characteristics
71
Timing Characteristics
72
Figure 55. Key Scanning and Display Timing
72
Switching Characteristics
73
Table 20. Switching Characteristics
73
STFPC320 Typical Application Circuit
74
Figure 56. Typical Application Circuit
74
Package Mechanical Data
75
Figure 57. PQFP52L Package Outline
75
Table 22. PQFP52 (10 X 10 X 2 MM) Mechanical Data
76
Table 23. Document Revision History
77

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