r5f21346unfp Renesas Electronics Corporation., r5f21346unfp Datasheet - Page 13
r5f21346unfp
Manufacturer Part Number
r5f21346unfp
Description
R8c/34u Group, R8c/34k Group Renesas Mcu
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21346UNFP.pdf
(95 pages)
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R8C/34U Group, R8C/34K Group
R01DS0113EJ0110 Rev.1.10
Jun 15, 2011
1.5
Table 1.8
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 RF
Serial interface
SSU
I
2
Tables 1.8 and 1.9 list Pin Functions.
C bus
1. Refer to the oscillator manufacturer for oscillation characteristics.
Item
Pin Functions
O: Output
Pin Functions (1)
AVCC, AVSS
RESET
MODE
XIN
XOUT
INT0 to INT4
TRAIO
TRAO
TRBO
TRCCLK
TRCTRG
TRCIOA, TRCIOB,
TRCIOC, TRCIOD
TRFI
TRFO00, TRFO10,
TRFO01, TRFO02
CLK0, CLK1, CLK2,
CLK3
RXD0, RXD1, RXD2,
RXD3
TXD0, TXD1, TXD2,
TXD3
CTS2
RTS2
SSI
SCS
SSCK
SSO
SCL
SDA
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
—
—
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
Apply 1.8 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.
These pins are provided for XIN clock generation circuit I/O.
Connect a ceramic resonator or a crystal oscillator between
the XIN and XOUT pins.
To use an external clock, input it 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.
Timer RB output pin.
External clock input pin.
External trigger input pin.
Timer RC I/O pins.
Timer RF input pins.
Timer RF output pins.
Transfer clock I/O pins.
Serial data input pins.
Serial data output pins.
Transmission control input pin.
Reception control output pin.
Data I/O pin.
Chip-select signal I/O pin.
Clock I/O pin.
Data I/O pin.
Clock I/O pin.
Data I/O pin.
Description
(1)
Page 13 of 91
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