r5f21346unfp Renesas Electronics Corporation., r5f21346unfp Datasheet - Page 8

• Manufacturer Part Number: r5f21346unfp
• Description: R8c/34u Group, R8c/34k Group Renesas Mcu
• Manufacturer: Renesas Electronics Corporation.

R8C/34U Group, R8C/34K Group
R01DS0113EJ0110 Rev.1.10
Jun 15, 2011
Figure 1.4
I/O ports
Peripheral functions
(10 bits × 12 channels)
Timer RC (16 bits × 1)
Block Diagram of R8C/34K Group
Timer RF (16 bits × 1)
Timer RA (8 bits × 1)
Timer RB (8 bits × 1)
Watchdog timer
A/D converter
Port P0
(14 bits)
Timers
8
Port P1
8
clock synchronous serial I/O
Port P3
R8C CPU core
R0H
R1H
(USB2.0 Full speed)
I
2
Comparator B
USB Function
5
C bus or SSU
R2
R3
(448 bytes)
(8 bits × 4)
(8 bits × 1)
USB FIFO
A0
A1
FB
UART or
R0L
R1L
Port P4
5
INTB
PC
SB
Port P6
USP
FLG
ISP
Notes:
High-speed on-chip oscillator
4
Low-speed on-chip oscillator
Low-speed on-chip oscillator
PLL frequency synthesizer
System clock generation
Voltage detection circuit
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
for watchdog timer
LIN module
XIN-XOUT
Port P7
Memory
circuit
DTC
2
Multiplier
ROM
RAM
(1)
(2)
Port P8
4
Page 8 of 91
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