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MB90335 Series
23.4.2
Example of Minimum Connection to Flash
Microcontroller Programmer (when Using User Power)
During serial write, when MD2, MD0, and P60 pins are set as shown in Figure 23.4-2, it is
unnecessary to connect these pins with the flash microcontroller programmer.
■ Example of Minimum Connection to Flash Microcontroller Programmer (when Using
User Power)
Figure 23.4-2 Example of Minimum Connection to Flash Microcontroller Programmer
AF220/AF210/AF120/AF110
Flash microcontroller
DX10-28S : Right-angle type
CM44-10137-6E
CHAPTER 23 EXAMPLE of CONNECTING SERIAL WRITING
(when Using User Power)
User system
programmer
At rewriting serial 1
At rewriting
serial 1
At rewriting serial 0
At rewriting serial 1
Connector
DX10-28S
(5)
/TRES
(13)
TTXD
TRXD
(27)
(6)
TCK
TVcc
(2)
(7, 8,
14, 15,
GND
21, 22,
1, 28)
3, 4,9, 10, 11, 12, 16, 17,
18, 19, 20, 23, 24, 25, 16
pins are OPEN
FUJITSU MICROELECTRONICS LIMITED
23.4 Example of Connecting Serial Writing
MB90F337
MD2
MD1
MD0
X0
6 MHz
X1
P60
At rewriting
serial 0
User circuit
P61
User circuit
RST
SIN0
SOT0
SCK0
Vcc
User power
Vss
14 pin
28 pin
Pin assignment by connector
(Hirose Electronics Ltd.)
1 pin
DX10-28S
15 pin
521
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