软件 http://users.raketnet.nl/darkfader/gba/files/GbaSioTool.exe.zip
原代码 http://users.raketnet.nl/darkfader/gba/files/GbaSioTool.win.src.zip
http://users.raketnet.nl/darkfader/gba/files/GbaTool.zip
GBA link-port pinout
--------------------
_______
/ 5 3 1 \
| 6 4 2 | (looking at GBA link-port)
'-------'
1 VCC
2 SO
3 SI
4 SD
5 SC
6 GND
schematics
----------
GBA MAX3222CPN PC (9 pins female)
--- ---------- ------------------
SO 2 ---------> 12 -> 15 -----> 2 RxD
SI 3 <--[R]---- 13 <- 14 <----- 3 TxD
SD 4 ---------> 11 -> 8 -----> 8 CTS
SC 5 <--[R]---- 10 <- 9 <----- 7 RTS
VCC 1 -.------- 17
+------- 18
|
`-+|(-.
|
GND 6 -.-----+- 16
+---------------------- 5 GND
+------- 1
+--)|+-- 3
`-+|(--- 7
.--)|+-- 2
`------- 4
.--)|+-- 5
`------- 6
Resistors
I used 390 ohms, but Jeff advises 1 KOhms on this. see url above for
his FAQ.
This is used to prevent short circuit.
Actually there's no need for a resistor in the SI line as this must
be input anyway:
according docs: "Always set the SI terminal to an input. If it is
set to an output, a problem may occur with some connecting equipment."
Capacitors
5 pieces, each 0.1uF
Drawn in ascii as: ----)|+--- (where + is the positive end)
MAX3222CPN
get one (or two;) samples of the MAX3222CPN at www.maxim-ic.com
note that 'CPN' is the DIL version.
|
