HD6473032F16 Datasheet, PDF (43/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 1 Overview
1.3.3 Pin Functions
Table 1.3 summarizes the pin functions.
Table 1.3
Type
Power
Pin Functions
Symbol
VCC
Pin No.
35, 68
I/O
Input
VSS
11, 22, 44, Input
57, 65, 92
VCL
1
Input
Name and Function
Power: For connection to the power supply.
Connect all VCC pins to the system power
supply.
Ground: For connection to ground (0 V).
Connect all VSS pins to the 0-V system
power supply.
Connect an external capacitor between this
pin and GND (0 V).
V_CL
0.1 µF
Clock
XTAL
67
EXTAL
66
φ
61
Operating mode MD2 to MD0 75 to 73
control
Input
Input
Output
Input
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.
Mode 2 to mode 0: For setting the
operating mode, as follows. Inputs at these
pins must not be changed during operation.
MD2
0
MD1
0
MD0 Operating Mode
0—
0
0
1 Mode 1
0
1
0 Mode 2
0
1
1 Mode 3
1
0
0 Mode 4
1
0
1 Mode 5
1
1
0 Mode 6
1
1
1 Mode 7
Rev. 3.00 Mar 21, 2006 page 13 of 814
REJ09B0302-0300