Renesas H8S/2318 series, Руководство по оборудованию

Страница: 47 / 1121

Rev. 5.00, 12/03, page 17 of 1088
1.3.3 Pin Functions
Table 1-3 Pin Functions
Pin No.
Type Symbol
TFP-100B,
TFP-100G FP-100A
I/O Name and Function
Power V
CC
40, 65,
98 42, 67,
100 Input Power supply: For connection to the
power supply. All V
CC
pins should be
connected to the system power
supply.
V
SS
7, 18,
31, 49,
68, 88 9, 20,
33, 51,
70, 90 Input Ground: For connection to ground
(0 V). All V
SS
pins should be
connected to the system power
supply (0 V).
Internal voltage
step-down pin V
CL
*
1
60 62 Output An external capacitor should be
connected between this pin and GND
(0 V). Do not connect it to V
CC
.
Clock XTAL 66 68 Input Connects to a crystal oscillator.
See section 18, Clock Pulse
Generator, for typical connection
diagrams for a crystal oscillator and
external clock input.
EXTAL 67 69 Input Connects to a crystal oscillator.
The EXTAL pin can also input an
external clock.
See section 18, Clock Pulse
Generator, for typical connection
diagrams for a crystal oscillator and
external clock input.
φ
69 71 Output System clock: Supplies the system
clock to an external device.