Figure 3: MK50H27 Memory Management Structure
CSR 2, CSR3
POINTER TO
INITIALIZAT ION BLOCK
INITIALIZAT ION BLOCK
MODE
TIMER VALUES
PROTOCOL
PARA METERS
RX DESCRIPTOR
POINTER
TX DESCRIPTOR
POINTER
STATUS
BUFFER ADDRES S
STATISTIC S
STATUS BUFFER
RECEIVER DESCRIPTOR RINGS
DESCRIPTOR 0
BUFFER STATUS
BUFFER ADDRESS
BUFFER SIZE
BUFFER MSG COUNT
DESCRIPTOR 1
DESCRIPTOR M
TRANSMIT DESCRIPTOR RINGS
DESCRIPTOR 0
BUFFER STATUS
BUFFER ADDRESS
BUFFER SIZE
BUFFER MSG COUNT
DESCRIPTOR 1
DESCRIPTOR N
MK50H27
RECEIVE BUFFER
BUFFER
0
BUFFER
1
BUFFER
M
TRANSMIT BUFFER
BUFFER
0
BUFFER
1
BUFFER
N
13/56