Pin Functions - Renesas H8S Series Hardware Manual

1.3.3

Pin Functions

Table 1-3 outlines the pin functions of the H8S/2357 Group.
Table 1-3 Pin Functions
Type
Power
Internal voltage
step-down drop
pin
Clock
Pin No.
Symbol TFP-120
V 81, 76,
CC
52, 33,
1
V 104, 79,
SS
59, 47,
38, 24,
15, 6,
1
V * 72
CL
XTAL 77
EXTAL 78
ø 80
FP-128B I/O Name and Function
89, 84, Input Power supply: For connection to the
58, 39, power supply. All V
5, connected to the system power
supply.
114, 100, Input Ground: For connection to ground
99, 87, (0 V). All V
68, 67, connected to the system power
65, 53, supply (0 V).
44, 36,
35, 28,
19, 10,
3
80 INPUT Connects an external capacitor
between this pin and the ground pin
(0 V). This pin should never be
connected to V
85 Input Connects to a crystal oscillator.
See section 20, Clock Pulse
Generator, for typical connection
diagrams for a crystal oscillator and
external clock input.
86 Input Connects to a crystal oscillator.
The EXTAL pin can also input an
external clock.
See section 20, Clock Pulse
Generator, for typical connection
diagrams for a crystal oscillator and
external clock input.
88 Output System clock: Supplies the system
clock to an external device.
pins should be
CC
pins should be
SS
.
CC
Rev.6.00 Oct.28.2004 page 15 of 1016
REJ09B0138-0600H