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R01DS0012EJ0110_15 Datasheet, PDF (14/70 Pages) Renesas Technology Corp – RENESAS MCU
R8C/34W Group, R8C/34X Group, R8C/34Y Group, R8C/34Z Group
1.3 Block Diagram
Figure 1.5 shows a Block Diagram.
1. Overview
8
8
8
6
51
8
I/O ports
Port P0
Port P1
Port P2
Port P3
Port P4
Port 6
Peripheral functions
Timers
Timer RA (8 bits)
Timer RB (8 bits)
Timer RC (16 bits)
Timer RD (16 bits × 2)
Timer RE (8 bits)
DTC
A/D converter
(10 bits × 12 channels)
UART or
clock synchronous serial I/O
(8 bits × 2 channels)
SSU
(8 bits × 1 channel)
System clock
generation circuit
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
CAN module (3)
(1 channel)
LIN module
(1 channel)
Voltage detection circuit
Watchdog timer
(14 bits)
R8C CPU core
R0H R0L
R1H R1L
R2
R3
A0
A1
FB
SB
USP
ISP
INTB
PC
FLG
Memory
ROM (1)
RAM (2)
Multiplier
Notes:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
3. Only in the R8C/34W Group and R8C/34X Group.
Figure 1.5 Block Diagram
R01DS0012EJ0110 Rev.1.10
Jan 31, 2013
Page 14 of 67