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8
AMD Geode™ SC1200/SC1201 Processor Data Book
List of Figures
32579B
1
2
3
4
5
6
7
8
9
10
11
12
13
...
442
443
AMD Geode™ SC1200/SC1201
1
Processor Data Book
1
Contents
3
List of Figures
5
List of Tables
10
1.0Overview
13
1.2 Features
14
Overview
16
2.0Architecture Overview
17
2.2 Video Processor Module
22
2.3 Core Logic Module
22
2.4 SuperI/O Module
23
Architecture Overview
24
3.0Signal Definitions
25
Signal Definitions
26
3.1 Ball Assignments
27
AMD Geode™
28
SC1200/SC1201
28
Processor
28
3.2 Strap Options
44
3.4 Signal Descriptions
49
3.4.5 TV Interface Signals
54
3.4.10 IDE Interface Signals
61
3.4.17 GPIO Interface Signals
67
Reserved - RSVD
78
4.3 WATCHDOG
79
4.3.2 WATCHDOG Registers
80
4.4 High-Resolution Timer
81
4.5 Clock Generators and PLLs
83
Circuitry
84
4.5.2 GX1 Module Core Clock
85
4.5.3 Internal Fast-PCI Clock
85
4.5.4 SuperI/O Clocks
86
4.5.6 Video Processor Clocks
86
4.5.7 Clock Registers
87
5.0SuperI/O Module
89
5.1 Features
90
5.2 Module Architecture
91
5.3.4 Address Decoding
93
SuperI/O Module
100
5.5 Real-Time Clock (RTC)
105
5.5.3 RTC Registers
111
Table 5-19. RTC Register Map
111
Table 5-20. RTC Registers
111
Table 5-25. Extended RAM Map
115
Table 5-24. Standard RAM Map
115
5.6.1 Event Detection
116
5.6.2 SWC Registers
117
5.7 ACCESS.bus Interface
121
5.7.3 Acknowledge (ACK) Cycle
122
5.7.6 Arbitration on the Bus
123
5.7.7 Master Mode
123
5.7.8 Slave Mode
125
5.7.9 Configuration
125
5.7.10 ACB Registers
126
Table 5-31. ACB Register Map
126
Table 5-32. ACB Registers
126
5.8 Legacy Functional Blocks
129
Offset Name
130
404h EDR Data Bits
130
Architecture
131
Table 5-42. Bank 0 Bit Map
133
Table 5-43. Bank 1 Bit Map
133
Table 5-44. Bank 2 Bit Map
134
Table 5-45. Bank 3 Bit Map
134
Port 3 (SP3) Functionality
135
Table 5-55. Bank 0 Bit Map
138
Table 5-56. Bank 1 Bit Map
139
Table 5-57. Bank 2 Bit Map
139
Table 5-58. Bank 3 Bit Map
139
Table 5-59. Bank 4 Bit Map
139
Table 5-60. Bank 5 Bit Map
140
Table 5-61. Bank 6 Bit Map
140
Table 5-62. Bank 7 Bit Map
140
6.0Core Logic Module
141
6.2 Module Architecture
142
6.2.2 PSERIAL Interface
143
6.2.3 IDE Controller
144
Core Logic Module
146
6.2.4 Universal Serial Bus
147
6.2.5 Sub-ISA Bus Interface
147
6.2.6 AT Compatibility Logic
152
Figure 6-7. PIT Timer
154
6.2.8 Keyboard Support
157
6.2.9 Power Management Logic
158
Sleep States
160
6.2.11 GPIO Interface
167
6.2.12 Integrated Audio
167
SMI# (System Management
171
Read to Clear
172
Figure 6-15. Typical Setup
173
Table 6-12. Cycle Types
174
6.3 Register Descriptions
175
6.3.2 Register Summary
176
GPIO and LPC Support Summary
176
6.4 Chipset Register Space
190
CPI mode
202
— SDATA_IN2
210
— IRRX1 (CEIR)
210
1), this bit allows signal
231
]. Reading
241
15:6 Reserved
241
Not Used Reset Value: 00h
246
0 Reserved. (Read Only)
262
Not Used
271
Reserved Reset Value = xxh
294
7.0Video Processor Module
311
7.1 Module Architecture
312
7.2 Functional Description
313
Active Video
314
7.2.1 Video Input Port (VIP)
315
Figure 7-4. VIP Block Diagram
315
Video Processor Module
316
7.2.2 Video Block
320
7.2.3 Mixer/Blender Block
323
[13, 11:9]
324
Mixing/Blending Operation
327
7.2.4 TVOUT Block
329
7.2.6 Integrated DACs
330
7.2.7 TFT Interface
331
7.2.8 Integrated PLL
332
7.3 Register Descriptions
333
29:20 Reserved
355
8.0Debugging and Monitoring
363
Debugging and Monitoring
364
9.0Electrical Specifications
365
9.1.4 Operating Conditions
366
9.1.5 DC Current
367
Electrical Specifications
368
9.2 DC Characteristics
371
9.3 AC Characteristics
376
9.3.3 CRT and TFT Interface
382
9.3.4 TV Interface
384
9.3.5 ACCESS.bus Interface
385
Ω1 KΩ 10 pF
388
Figure 9-19. PCI Reset Timing
393
9.3.7 Sub-ISA Interface
394
9.3.8 LPC Interface
398
Table 9-25. LPC and SERIRQ
398
9.3.9 IDE Interface Timing
399
9.3.12 Fast IR Port Timing
422
9.3.13 Parallel Port Timing
423
9.3.15 Power Management
432
9.3.16 Power-Up Sequencing
433
9.3.17 JTAG Interface
435
10.0Package Specifications
437
Figure 10-1. Heatsink Example
438
10.2 Physical Dimensions
439
Package Specifications
440
A.1 Order Information
441
Table A-1. Revision History
442
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