Numark CDN450, Service Manual

Page: 35 / 47

12.3 MCF5249
1.3 MCF 5249 BLOCK DIAGRAM
Debug
Module w /
JTAG
ColdFire
V 2 Core
(160 BGA
140 Mhz )
(144 QFP
120 Mhz )
Instruction
Cache
SRAM 0
SRAM 1
DMA
5 x 08
Arbiter
Timer
2
I C
Dual
UART
5 x 08
Interrupt
S / DRAM
Interface
External
Bus
Translator
Clock
Multiplied
PLL
Interrupt
Controller
Audio
Interfaces
Standard ColdFire Peripheral Blocks
32 K
64 K
UART
Interface
I 2 C
Interface
Timer
Support
ADC
Flash Memory /
Card
Interface
MemoryStick /
Interface
Serial Audio
Interface
BufEn _ b 1
( S ) DRAM
SRAM
MUX
IDE
SmartMedia
IDE
BufEn _ b 2
SWE
SRE
IDE - DIOR
IDE - DIOW
IDE - IORDY
ebuin 3_ adin 0_ gpi 38
ebuin 4_ adin 1_ gpi 39
rxd 2_ adin 2_ gpi 28
cts 2_ adin 3_ gpi 31
tout 1_ adout _ gpi 35
SecureDigital
QSPI
Interface
QSPI _ Din
QSPI _ Dout
QSPI _ CS [3:0]
QSPI _ CLK
BUFEN 1_ B
BUFEN 2_ B
QSPI _ DIN
QSPI _ DOUT
EBUIN 3/ ADIN 0_ GP 138
EBUIN 4/ ADIN 1_ GP 139
RXD 2/ ADIN 2/ GP 128
CTS 2/ ADIN 3/ GP 131
TOUT 1/ ADOUT / GP 135
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