Z-World RabbitLink EG2100, Руководство пользователя

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24 RabbitLink (EG2100)
C.1 RabbitLink Hardware Subsystems
Figure D-1 shows the Rabbit-based subsystems designed into the RabbitLink and shows the paral-
lel ports and signal lines they use on the Rabbit 2000 microprocessor.
Figure D-1. RabbitLink Subsystems
C.1.1 Pinouts
Figure D-2 shows the pinouts for the RJ-45 Ethernet jack and the two programming headers on the
RabbitLink board.
Figure D-2. Pinouts for Ethernet Jack and Programming Headers
Port A
Port B
Port D
Port E
PA0
PB0
PB2
PB1
PB6
PB7
PC4–PC5
PE0, PE2, PE5
A0–A4
BUFEN
RESET
Data Lines
RAM
Flash
PC6–PC7
PD0 PD2
PE0, PE1, PE3, PE6
DA0–DA7
RabbitLink
CPU
(R
ABBIT 2000™
)
Watchdog
Clock Doubler
Real-Time Clock
Address Lines
Programming
Out Port
Serial Port
(Port C)
Programming
In Port
Misc. Output
Misc. Input
Ethernet
Programming
Ports
J8
RXA
CLKA
/RESET
N.C.
SMODE0
1
3
5
7
9
2
4
6
8
10
GND
VCC
TXA
STATUS
SMODE1
PROG IN
J2
RJ-45 ETHERNET JACK
1. E_Tx+
2. E_Tx–
3. E_Rx+
6. E_Rx–
1
8
J9
TXB
CLKB
PA0
N.C.
PB6
1
3
5
7
9
2
4
6
8
10
GND
VCC
RXB
PB2
PB7
PROG OUT