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

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H8/3004

Microcomputer

Renesas Electronics 

Table 1-3 Pin Functions (cont)

Type

Interrupts

Symbol

NMI

Pin No.

49

Ad-

dress

bus

IRQ4 to

IRQ0

Mode 1 A19 to A0

Mode 3 A23 to A0

Data bus

D7 to D0

11,

72 to 69

22 to 29

31 to 42

80 to 77

22 to 29

31 to 42

20 to 13

Bus control

AS

54

RD

55

WR

56

WAIT

43

16-bit

integrated

time unit

(ITU)

TCLKD to

TCLKA

TIOCA4 to

TIOCA0

76 to 73

3, 1, 79,

77, 75

TIOCB4 to 4, 2, 80,

TIOCB0 78, 76

TOCXA4 5

TOCXB4 6

I/O

Name and Function

Input Nonmaskable interrupt: Requests a

nonmaskable interrupt

Input Interrupt request 4 to 0: Maskable interrupt

request pins

Output Address bus: Outputs address signals

Input/ Data bus: Bidirectional data bus

output

Output Address strobe: Goes low to indicate valid

address output on the address bus

Output Read: Goes low to indicate reading from the

external address space

Output High write: Goes low to indicate writing to the

external address space; indicates valid data on

the upper half of the data bus (D7 to D0).

Input

Wait: Requests insertion of wait states in bus

cycles during access to the external address

space

Input Clock input A to D: External clock inputs

Input/ Input capture/output compare A4 to A0:

output GRA4 to GRA0 output compare or input

capture, or PWM output

Input/ Input capture/output compare B4 to B0:

output GRB4 to GRB0 output compare or input

capture, or PWM output

Output Output compare XA4: PWM output

Output Output compare XB4: PWM output

10

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