HD64F3048VTF8 Datasheet, PDF (43/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 1 Overview
1.3.3 Pin Functions
Table 1.4 summarizes the pin functions. For the H8/3048B Group which operates at 5 V, the
external capacitor is required for the V_CL pin.
Table 1.4 Pin Functions
Type
Power
Symbol
V
CC
V_SS
Internal step- V_CL
down pin
Pin No.
1^*1, 35, 68
11, 22, 44,
57, 65, 92
1^*2
I/O
Input
Input
Output
Name and Function
Power: For connection to the power supply.
Connect all V_CC pins to the system power
supply.
Ground: For connection to ground (0 V).
Connect all V_SS pins to the 0-V system
power supply.
The external capacitor must be connected
between the V_CL and GND (0 V). Do not
connect to V_CC.
Clock
XTAL
67
EXTAL
66
φ
61
V_CL
0.1 µF
Input
Input
Output
For connection to a crystal resonator.
For examples of crystal resonator and
external clock input, see section 19, Clock
Pulse Generator.
For connection to a crystal resonator or
input of an external clock signal. For
examples of crystal resonator and external
clock input, see section 19, Clock Pulse
Generator.
System clock: Supplies the system clock
to external devices.
Rev. 3.00 Sep 27, 2006 page 15 of 872
REJ09B0325-0300