R01DS0140ED0100_FJ4_15 Datasheet, PDF (9/78 Pages) Renesas Technology Corp – 32-bit Single-Chip Microcontroller

Chapter 1
Chapter 1 Overview
Overview
1.1 Naming
1.1.1 Alternative function pins
Peripheral
Prefix
Function
name
Suffix
Short-cut of Consecutive number for
macro name same peripheral module^a
Peripheral
Macro pin
naming
Consecutive number
for same pin names^a
a) _{This is an option that can be omitted if meaning is obvious}
Example:
– TAUB0I0, TAUB1I5
– URTE0TX, URTE0RX, URTE1TX, URTE1RX
– CSIG0SO, CSIG0SI, CSIG0SC, CSIG0RY
1.1.2 Power supply pins
Function
Prefix
Kind of
supply
Suffix
Symbol
Consecutive number for
different functions^a
VDD or VSS
Consecutive number
for different pins with
same meaning^a
a) _{This is an option that can be omitted if meaning is obvious}
Example:
– E0VDDn, REG0VSS
Table 1-1 Selection for Functions
Function
C
REG
OSC
F
E
B
A
Explanation
Core supply
Internal regulator supply
Oscillator supply
Flash module supply
Standard buffer supply (mainly 5V or up to 40Mhz)
Standard buffer supply (mainly 3.3V or beyond 40Mhz)
Analog module supply (e.g. ADC)
If not mentioned otherwise this document neglects suffixes for power supply
pins with same functions that can be treated as equal.
R01DS0140ED0100
9
Data Sheet