r5f21346ykfp Renesas Electronics Corporation., r5f21346ykfp Datasheet - Page 18

• Manufacturer Part Number: r5f21346ykfp
• Description: R8c/34w Group, R8c/34x Group, R8c/34y Group, R8c/34z Group Renesas Mcu
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/34W Group, R8C/34X Group, R8C/34Y Group, R8C/34Z Group
REJ03B0312-0010 Rev.0.10
Apr 09, 2010
1.5
Table 1.15
I: Input
Note:
Power supply input VCC, VSS
Analog power
supply input
Reset input
MODE
XIN clock input
XIN clock output
INT interrupt input
Key input interrupt KI0 to KI3
Timer RA
Timer RB
Timer RC
Timer RD
Timer RE
Serial interface
SSU
Tables 1.15 and 1.16 list Pin Functions.
1. Refer to the oscillator manufacturer for oscillation characteristics.
Item
Pin Functions
O: Output
Preliminary document
Specifications in this document are tentative and subject to change.
Pin Functions (1)
AVCC, AVSS
RESET
MODE
XIN
XOUT
INT0 to INT4
TRAIO
TRAO
TRBO
TRCCLK
TRCTRG
TRCIOA, TRCIOB,
TRCIOC, TRCIOD
TRDIOA0, TRDIOA1,
TRDIOB0, TRDIOB1,
TRDIOC0, TRDIOC1,
TRDIOD0, TRDIOD1
TRDCLK
TREO
CLK0, CLK2
RXD0, RXD2
TXD0, TXD2
CTS2
RTS2
SCL2
SDA2
SSI
SCS
SSCK
SSO
Pin Name
I/O: Input and output
I/O Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
−
−
I
I
I
I
I
I
I
I
I
I
Apply 2.7 V to 5.5 V to the VCC pin. Apply 0 V to the VSS pin.
Power supply for the A/D converter.
Connect a capacitor between AVCC and AVSS.
Input “L” on this pin resets the MCU.
Connect this pin to VCC via a resistor.
Connect a ceramic resonator or a crystal oscillator between
the XIN and XOUT pins
to the XOUT pin and leave the XIN pin open.
INT interrupt input pins.
Key input interrupt input pins
Timer RA I/O pin
Timer RA output pin
External clock input pin
External trigger input pin
Timer RC I/O pins
Timer RD I/O pins
External clock input pin
Transfer clock I/O pins
Serial data input pins
Serial data output pins
Transmission control input pin
Reception control output pin
I
I
Data I/O pin
Chip-select signal I/O pin
Clock I/O pin
Data I/O pin
These pins are provided for XIN clock generation circuit I/O.
Timer RB output pin
Divided clock output pin
2
2
C mode clock I/O pin
C mode data I/O pin
(1)
Description
. To use an external clock, input it
Page 18 of 67
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