Renesas RL78 Series User Manual

RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 228
Dec 10, 2015
Figures 4-17 to 4-24 show block diagrams of port 4 for 100-pin products.
Figure 4-17. Block Diagram of P40
P40/TOOL0
RD
WR
PORT
WRPM
P40
TOOL0
PM4
P4
WRPU
EVDD
P-ch
PU4
PM40
PU40
WRPMS
PMS
PMS0
Alternate function
Alternate function
Internal bus
Selector
Selector
Output latch
P4: Port register 4
PU4: Pull-up resistor option register 4
PM4: Port mode register 4
PMS: Port mode select register
RD: Read signal
WRxx: Write signal

Renesas RL78 Series Specifications

General

Core	RL78
CPU Clock Speed	Up to 32 MHz
Flash Memory	Up to 512 KB
RAM	Up to 32 KB
Operating Voltage	1.6 V to 5.5 V
Low Power Modes	HALT, STOP, SNOOZE
CPU Architecture	16-bit
Temperature Range	-40°C to +85°C
Package	LQFP
Timers	16-bit timers
Communication Interfaces	UART, I2C, LIN
A/D Converter	12-bit