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R8C/20 Datasheet(PDF) 417 Page - Renesas Technology Corp

Part # R8C/20
Description  MCU R8C FAMILY / R8C/2x SERIES
PDF  501 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R8C/20 Datasheet(HTML) 417 Page - Renesas Technology Corp

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R8C/20 Group, R8C/21 Group
19. Flash Memory
Rev.2.00 Aug 27, 2008
Page 401 of 458
REJ09B0250-0200
Table 19.8
Pin Functions (Flash Memory Standard Serial I/O Mode 3)
Pin
Name
I/O
Description
VCC,VSS
Power input
Apply the voltage guaranteed for programming and
erasure to the VCC pin and 0 V to the VSS pin.
RESET
Reset input
I
Reset input pin.
P4_6/XIN
P4_6 input/clock input
I
Connect ceramic resonator or crystal oscillator
between XIN and XOUT pins when connecting external
oscillator. Apply “H” and “L” or leave the pin open when
using as input port
P4_7/XOUT
P4_7 input/clock output
I/O
P0_0 to P0_7
Input port P0
I
Input “H” or “L” level signal or leave the pin open.
P1_0 to P1_7
Input port P1
I
Input “H” or “L” level signal or leave the pin open.
P2_0 to P2_7
Input port P2
I
Input “H” or “L” level signal or leave the pin open.
P3_0, P3_1,
P3_3 to P3_5,
P3_7
Input port P3
I
Input “H” or “L” level signal or leave the pin open.
P4_2 to P4_5
Input port P4
I
Input “H” or “L” level signal or leave the pin open.
P6_0 to P6_7
Input port P6
I
Input “H” or “L” level signal or leave the pin open.
MODE
MODE
I/O Serial data I/O pin. connect to the flash programmer.



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