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| 4509 Datasheet, PDF (61/142 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |||
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4509 Group
T_VDD
4509 Group
VDD
T_VPP
T_T XD
1 kâ¦
T_RXD
T_SCLK
T_BUSY
T_PGM/OE/MD
N.C.
RESET circuit
T_RESET
GND
CNVSS
P20/AIN0 (SDA)
P21/AIN1 (SCLK)
D3/AIN5 (PGM)
RESET
Vss
XIN
XOUT
Either connect an oscillation circuit
or connect XIN pin to VSS and
leave the XOUT pin open.
Note: For the programming circuit, the wiring capacity of each signal pin must not exceed 47 pF.
Fig. 56 When using programmer of Suisei Electronics System Co., LTD, connection example
Rev.1.02 2006.12.22 page 61 of 140
REJ03B0147-0102
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