
519
21.4 Example of Minimum Connection with Flash Microcomputer Programmer (When Power Supplied from User)
21.4 Example of Minimum Connection with Flash Microcomputer
Programmer (When Power Supplied from User)
Figure 21.4-1 "Example of Minimum Connection with Flash Microcomputer
Programmer (When Power Supplied by User)" is an example of the minimum
connection with the flash microcomputer programmer when power is supplied by the
user.
Serial reprogramming mode: MD2, MD1, MD0=110B
s Example of Minimum Connection with Flash Microcomputer Programmer (When Power Supplied by
User)
If the MB90F562/F562B/F568 pins are set as shown in
Figure 21.4-1 "Example of Minimum
Connection with Flash Microcomputer Programmer (When Power Supplied by User)" for writing
data to the flash memory, MD2, MD1, MD0, and P00 and the flash microcomputer programmer
need not be connected.
Figure 21.4-1 Example of Minimum Connection with Flash Microcomputer Programmer (When Power
Supplied by User)
Before connecting to AF220/AF210/AF120/AF110, turn off the user power.
10 K
MD1
MD2
AF220/AF210/AF120/AF110
flash microcomputer
programmer
MB90F562/F562B/F568
User system
MD0
10 K
Set MD2 to "1" during
serial rewriting
Set MD0 to "0" during
serial rewriting
Set MD1 to "1" during
serial rewriting
User circuit
P00
10 K
P01
User circuit
Set P00 to "0"
during serial
rewriting
Set P01 to "1" during
serial rewriting
X0
X1
1 MHz to 16 MHz
Connector
DX10-28S
SIN1
TTXD
(13)
SOT1
TRXD
(27)
SCK0
TCK
(6)
10 K
/TRES
RST
(5)
C
10 K
Vss
GND
(1, 7,
8, 14,
15, 21,
22, 28)
Vcc
(16)
Pins 3, 4, 9, 10, 11, 12, 16, 17, 18, 19,
20, 23, 24, 25, and 26 are open.
Connector (made by Hirose Electronics) pin layout
DX10-28S: right-angle type
TVPP1
Pin 1
Pin 28
Pin 15
Pin 14
DX10-28S
0.1
F
User power supply