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| MC80F0204 Datasheet, PDF (114/126 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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MC80F0104/0204
Preliminary
26.4 Reference ISP Circuit Diagram and MagnaChip Supplied ISP Board
The ISP software and hardware circuit diagram are provided at
www.magnachipmcu.com . To get a ISP B/D, contact to sales de-
partment. The following circuit diagram is for reference use..
CON1
Female DB9
To PC
5 GND
9
4 DTR
8
3 TxD
7
2 RxD
6
1
VSS
VDD
+
1uF
+
1uF
MAX232
14 T1OUT
7 T2OUT
13 R1IN
8 R2IN
2
V+
16
VCC
6
V-
15 GND
T1IN 11
T2IN 10
R1OUT 12
R2OUT 9
C1+
C1-
1
3
+1uF
C2+ 4 +
C2- 5 1uF
VSS
VDD(+5V)
VDD(+5V)
2Î2907 100â¦
+
VSS VSS
VDD(+5V)
RESET/VPP
VDD
VSS
ACLK_CLK
MCU_TxD
MCU_RxD
J2
1
2
3
4
To MCU
5
6
VSS
* VDD : +4.5 ~ +5.5V
* VPP : VDD + 4V
VDD
+
VSS
J3
X1
Vcc Out
Gnd
100â¦
OSC
1.8432MHz
VSS
VSS
VSS
External VDD
The ragne of VDD must be from 4.5 to 5.5V and ISP function is not supported under 2MHz system clock.
If the user supplied VDD is out of range, the external power is needed instead of the target system VDD.
For the ISP operation, power consumption required is minimum 30mA.
Figure 26-1 Reference ISP Circuit Diagram
Figure 26-2 MagnaChip supplied ISP Board
110
Mar. 2005 Ver 0.2
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