corelogic CL761ST Data Sheet
Data SheetCL761ST
CORE LOGIC Proprietary and Confidential 3
Table of Contents
1. Introduction......................................................................... 9
2. Features ......................................................................... 10
2.1. Host Interface.....................................................................................10
2.2. LCD Support ......................................................................................10
2.3. Sensor Support...................................................................................10
2.4. Display Support.................................................................................10
2.5. OSDs Support ....................................................................................11
2.6. Image Effect........................................................................................11
2.7. JPEG Support .....................................................................................11
2.8. M‐JPEG Support (Movie Camera)..................................................12
2.9. Memory ...............................................................................................12
2.10. Power ...................................................................................................12
2.11. Additional Features...........................................................................12
3. Pin Description ................................................................. 13
3.1. Pin Diagram........................................................................................13
3.2. Pin Description..................................................................................14
4. Functional Descriptions .................................................... 19
4.1. System Architecture..........................................................................19
4.2. Modem CPU Interface ......................................................................20
4.3. Sensor Interface .................................................................................22
4.4. LCD Interface.....................................................................................23
4.5. Other Pins ...........................................................................................24
5. Electrical Characteristics & Timing Diagram ..................... 25
5.1. Absolute Maximum Ratings (VSS=0V).........................................25
5.2. Recommended Operating Condition.............................................25
5.3. Power Consumption .........................................................................26
5.4. DC Characteristics.............................................................................26
5.5. Timing Diagram ................................................................................27
5.5.1. Clock (M_CLK) Timing...........................................................27
5.5.2. Reset (M_RESET) Timing........................................................27
5.5.3. Read/Write Timing...................................................................28
6. Register Map .................................................................... 29
4 Issue Date: January, 2005 │ CONFIDENTIAL
CL761ST (Sara2)│Camera Application Processor Datasheet │ Doc. #: CLQP-DS-750
6.1. Register Mapping..............................................................................29
6.2. Register Description .........................................................................33
7. Functional Description ...................................................... 91
7.1. Block Diagram ...................................................................................91
7.2. Host Interface.....................................................................................92
7.2.1. LCD Access Port .......................................................................92
7.2.2. Bypass Mode (M_Hold = High) .............................................93
7.2.3. Register Read_n/Write_n Port ................................................93
7.3. Operation Mode Register.................................................................95
7.4. Preview................................................................................................97
7.4.1. Preview Setup...........................................................................97
7.4.2. Preview Rotation......................................................................98
7.4.3. Preview Frame Skip.................................................................98
7.5. OSD ....................................................................................................99
7.6. JPEG Encoding.................................................................................102
7.6.1. Still JPEG Encoding................................................................102
7.6.2. JPEG Quality...........................................................................103
7.6.3. MJPEG Encoding....................................................................103
7.6.4. OSD Encoding ........................................................................104
7.6.5. RGB Thumbnail......................................................................104
7.7. JPEG Decoding ................................................................................105
7.7.1. Still JPEG Decoding ...............................................................105
7.7.2. Motion JPEG Decoding .........................................................105
7.8. JPEG Resizing ..................................................................................106
7.8.1. JPEG to BMP...........................................................................106
7.8.2. BMP to JPEG ...........................................................................107
7.8.3. Resizing ...................................................................................107
7.9. SRAM Buffer Setup........................................................................108
7.10. SRAM Read......................................................................................109
7.11. SRAM Write .....................................................................................109
7.12. PIP (Picture in Picture) ...................................................................110
7.13. Flow Control.....................................................................................112
7.13.1. Overview...............................................................................112
7.13.2. Detailed Description on Flow Control Architecture........112
7.13.3. Encoding................................................................................114
7.13.4. Decoding ...............................................................................115
7.14. Sensor Interface ...............................................................................116
7.14.1. Sensor RESET and IIC Write Time.....................................116
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www.corelogic.co.kr │
7.14.2. IIC Write/ Read .....................................................................116
7.14.3. Registers Related to Sensor Interface.................................117
7.15. LCD Interface...................................................................................122
7.16. LCD Setup ........................................................................................124
7.17. LCD Update (M_Hold = Low) Under Camera Mode ................129
7.18. Interrupt Setup ................................................................................131
7.18.1. Interrupt Mode Setup..........................................................131
7.18.2. Type of Interrupt ..................................................................132
7.18.3. Edge Interrupt ......................................................................133
7.18.4. Level Interrupt......................................................................134
7.18.5. Status Register ......................................................................134
7.19. GPIO Setup ......................................................................................135
7.20. Image Effect......................................................................................135
7.21. Data Format ......................................................................................135
8. Package Reference ........................................................ 140
6 Issue Date: January, 2005 │ CONFIDENTIAL
CL761ST (Sara2)│Camera Application Processor Datasheet │ Doc. #: CLQP-DS-750
List of Figures
Figure 4‐1. CL761ST Block Diagram .......................................................................... 19
Figure 4‐2. Modem CPU Interface.............................................................................. 20
Figure 4‐3. Sensor Interface ......................................................................................... 22
Figure 4‐4. LCD Interface............................................................................................. 23
Figure 7‐1. CL761ST System Block Diagram............................................................. 91
Figure 7‐2. Bypass Mode (M_Hold=High) ................................................................ 93
Figure 7‐3. Camera Mode: Register Write ................................................................. 94
Figure 7‐4. Camera Mode: Register Read.................................................................. 94
Figure 7‐5. Preview Area Setup .................................................................................. 97
Figure 7‐6. Registers related to Preview Area Setup................................................ 98
Figure 7‐7. OSD Overwrite Function ......................................................................... 99
Figure 7‐8. Overlay Function..................................................................................... 100
Figure 7‐9. Example of SRAM Buffer Setup............................................................ 109
Figure 7‐10. Bit Configuration of PIP Pixel Data .................................................... 110
Figure 7‐11. Flow Control .......................................................................................... 113
Figure 7‐12. Encoding Process .................................................................................. 114
Figure 7‐13. Decoding Process .................................................................................. 115
Figure 7‐14. Sensor RESET and IIC Write Time...................................................... 116
Figure 7‐15. IIC Write ................................................................................................. 116
Figure 7‐16. IIC Read.................................................................................................. 117
Figure 7‐17. Sensor Data Sampling........................................................................... 118
Figure 7‐18. Sensor Power Supply Sequence .......................................................... 119
Figure 7‐19. IIC Operation Hold Time..................................................................... 120
Figure 7‐20. Camera Mode (M_Hold=Low) and LCD_Display ........................... 122
Figure 7‐21. LCD Command/Parameter Set Timing.............................................. 123
Figure 7‐22. LCD Gram Data Write Timing ............................................................ 123
Figure 7‐23. LCD Lock during Camera Mode (M_Hold=Low) ............................ 130
Figure 7‐24. Edge Interrupt Pin Status..................................................................... 133
Figure 7‐25. Level 1 Interrupt Pin Status ................................................................. 134
COR of Tables
Table 7‐1. Usage of LCD Access Port (Connecting both A0 and ADS situation).. 92
Table 7‐2. Usage of LCD Access Port (Not connecting A0 and ADS) .................... 92
Table 7‐3. Interrupt Status Register 1 ....................................................................... 132
Table 7‐4. Interrupt Status Register 0xe8 ................................................................. 133
Table 7‐5. GPIO Setup Register ................................................................................. 135
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