H8/3004 Просмотр технического описания (PDF) - Renesas Electronics

Номер в каталоге

Компоненты Описание

производитель

H8/3004

Microcomputer

Renesas Electronics 

1.4 Pin Functions

Table 1-3 summarizes the pin functions.

Table 1-3 Pin Functions

Type

Power

Clock

Symbol

VCC

VSS

XTAL

EXTAL

ø

Operating

MD1,

mode control MD0

Pin No. I/O Name and Function

21, 53

Input

Power: For connection to the power supply

(+5 V). Connect all VCC pins to the +5-V system

power supply.

12, 30, 50 Input

Ground: For connection to ground (0 V).

Connect all VSS pins to the 0-V system power

supply.

52

Input For connection to a crystal resonator.

For examples of crystal resonator and external

clock input, see section 13, Clock Pulse

Generator.

51

Input For connection to a crystal resonator or input of

an external clock signal. For examples of

crystal resonator and external clock input, see

section 13, Clock Pulse Generator.

46

Output System clock: Supplies the system clock to

external devices

44,

Input Mode 1 and mode 0: For setting the operating

45

mode, as follows

MD1

0

MD0

0

Operating Mode

—

0

1

Mode 1

1

0

—

1

1

Mode 3

System control RES

48

RESO

57

STBY

47

Input Reset input: When driven low, this pin resets

the H8/3004 or H8/3005

Output Reset output: Outputs a reset signal to

external devices

Input Standby: When driven low, this pin forces

a transition to hardware standby mode

9

Share Link: