H8SLASH3004 datasheet(24/497 Pages) RENESAS

24 / 497 page

Table 1-3 Pin Functions (cont)

Type

Symbol

Pin No.

I/O

Name and Function

Interrupts

NMI

Input

Nonmaskable interrupt: Requests a

nonmaskable interrupt

IRQ4 to

11,

Input

Interrupt request 4 to 0: Maskable interrupt

IRQ0

72 to 69

request pins

Ad-

Mode 1 A19 to A0

22 to 29

Output Address bus: Outputs address signals

dress

31 to 42

bus

Mode 3 A23 to A0

80 to 77

22 to 29

31 to 42

Data bus

D7 to D0

20 to 13

Input/

Data bus: Bidirectional data bus

output

Bus control

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).

WAIT

Input

Wait: Requests insertion of wait states in bus

cycles during access to the external address

space

16-bit

TCLKD to

76 to 73

Input

Clock input A to D: External clock inputs

integrated

TCLKA

time unit

TIOCA4 to

3, 1, 79,

Input/

Input capture/output compare A4 to A0:

(ITU)

TIOCA0

77, 75

output

GRA4 to GRA0 output compare or input

capture, or PWM output

TIOCB4 to

4, 2, 80,

Input/

Input capture/output compare B4 to B0:

TIOCB0

78, 76

output

GRB4 to GRB0 output compare or input

capture, or PWM output

TOCXA4

Output Output compare XA4: PWM output

TOCXB4

Output Output compare XB4: PWM output

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