Datasheet

RL78/G12 1. OUTLINE
R01DS0193EJ0200 Rev.2.00
Sep 06, 2013
Page 11 of 106
1.6 Block Diagram
1.6.1 20-pin products
PORT 1
P10 to P14
PORT 2
P20 to P23
4
PORT 4
P40 to P42
2
PORT 6
PORT 12
5
CRC
Note
PCLBUZ0
P60, P61
P121, P122, P125
RESET
Low Speed
On-chip
oscillator
15 kHz
9
6
4
KR0 to KR5
INTP0 to INTP3
ANI2, ANI3, ANI16 to ANI22
ANI0/AV
REFP
ANI1/AV REFM
PORT 13
P137
3
3
Multiplier & divider
multiply-
accumulator
On-chip debug
BCD adjustment
IICA0
TOOL0
SCLA0
SDAA0
Power-on
reset/voltage
detector
Clock Generator
+
Reset Generator
High-Speed
on-chip oscillator
1 to 24 MHz
TOOL
TxD
TOOL
RxD
RL78
CPU
core
Buzzer/clock
output control
Key return
6ch
Interrupt control
4ch
Window watchdog
timer
12-bit Intervaltimer
10-bit A/D converter
11ch
RAM
1.5 KB
Interrupt control
DMA
Note
2ch
Code flash: 16 KB
Data flash: 2 KB
Note
SAU0 (2ch)
UART0
CSI00
CSI01
Note
IIC00
Note
IIC01
Note
TI00/TO00
TAU0 (4ch)
ch00
ch01
ch02
ch03
TI01/TO01
TI02/TO02
TI03/TO03
RxD0
TxD0
SCK00
SI00
SO00
SCK01
SI01
SO01
SCL00
SDA00
SCL01
SDA01
Main OSC
1 to 20 MHz
V DD V SS
X1 X2/EXCLK
Note Provided only in the R5F102 products.