User manual

SOM-4430 User Manual 24
C.1 System I/O Ports
C.2 DMA Channel Assignments
Table C.1: System I/O Ports
Addr. range
(Hex) Device
0CFB-0CF8 PCI Configuration Address Registers
0CFF-0CFC PCI Configuration Data Registers
00-0F Slave DMA controller
C0-DE Master DMA controller
493-499 Instrction Counter
40-43 Timer Counter
48-4B PWM Controller
22-23 Indirect Access Registers
20-21 Master Interrupt Controller
A0-A1 Slave Interrupt Controller
60,64 Keyboard/Mouse Control Registers
61 NMI Status and Control Register
68-6D WDT1 Control Registers
70,71 CMOS Memory and RTC Registers
72-75 MTBF Registers
54-57 Serial Port 1
A0-A3 Serial Port 2
A4-A7 Serial Port 3
A8-AB Serial Port 4
B0-B3 Parallel Port Registers
40-43 SPI Control Registers
60-69 GPIO Registers
10/14 Fast Ethernet MAC Registers
B4-B7 Extend PCI Interrupt Routing Table Registers
F4 8051 and Dual-Port RAM BIST Register
Table C.2: DMA Channel Assignments
Channel Function
0 Available
1 Available
2 Available
3 Available
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available