r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 695

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 32.19
Table 32.8
I: Input
VCC, VSS
RESET
P4_6/XIN
P4_7/XOUT
P4_3/XCIN
P4_4/XCOUT
P0_0 to P0_7
P1_0 to P1_7
P2_0 to P2_7
P3_0 and P3_1,
P3_3 to P3_5, P3_7
P4_2/VREF, P4_5
MODE
Pin
O: Output
Pin Handling in Standard Serial I/O Mode 3
Pin Functions (Flash Memory Standard Serial I/O Mode 3)
Notes:
Reset input
MODE I/O
1. Controlled pins and external circuits vary depending on the programmer.
2. In this example, modes are switched between single-chip mode and
3. When operating with the on-chip oscillator clock, it is not necessary to
Power supply input
Reset input
P4_6 input/clock input
P4_7 input/clock output I/O
P4_3 input/clock input
P4_4 input/clock output I/O
Input port P0
Input port P1
Input port P2
Input port P3
Input port P4
MODE
Refer to the programmer manual for details.
standard serial I/O mode by connecting a programmer.
connect an oscillation circuit.
I/O: Input and output
Name
User reset signal
I/O
I/O Serial data I/O pin. Connect the pin to a programmer.
I
I
I
I
I
I
I
I
Apply the guaranteed programming and erasure
voltage to the VCC pin and 0 V to the VSS pin.
Reset input pin
If an external oscillator is connected, connect a
ceramic resonator or crystal oscillator between pins
XIN and XOUT.
To use as an input port, input a “H” or “L” level signal
or leave the pin open.
If an external oscillator is connected, connect a
crystal oscillator between pins XCIN and XCOUT.
To use as an input port, input a “H” or “L” level signal
or leave the pin open.
Input a “H” or “L” level signal or leave open.
Input a “H” or “L” level signal or leave open.
Input a “H” or “L” level signal or leave open.
Input a “H” or “L” level signal or leave open.
Input a “H” or “L” level signal or leave open.
MODE
RESET
MCU
AVCC
AVSS
VCC
VSS
Description
32. Flash Memory
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