HD64F2145 datasheet(59/829 Pages) RENESAS

59 / 829 page

Rev. 2.0, 08/02, page 19 of 788

Pin No.

Type

Symbol

FP-100B,

TFP-100B TFP-144 I/O

Name and Function

A23 to A16 10, 11, 20,

21, 30, 31,

47, 48

33, 34,

35, 37,

38, 39,

40, 41

Output Address output pins when 16-Mbyte space

is used.

Address

bus

A15 to A0

60 to 67,

72 to 79

96 to

110, 112

Output Address output pins

D15 to D8

89 to 82

128 to

121

Input/

output

Bidirectional data bus for upper byte of 16-

bit data.

Data bus

D7 to D0

57, 58, 68,

69, 80, 81,

90, 91

113 to

120

Input/

output

Bidirectional data bus for lower byte of 16-

bit data.

:$,7

Input

Requests insertion of a wait state in the

bus cycle when accessing external 3-state

address space.

Output When this pin is low, it indicates that the

external address space is being read.

+:5

Output When this pin is low, it indicates that the

external address space is being written to.

The upper half of the data bus is valid.

/:5

Output When this pin is low, it indicates that the

external address space is being written to.

The lower half of the data bus is valid.

Bus

control

$6/,26

Output When this pin is low, it indicates that

address output on the address bus is valid.

NMI

Input

Input pin for a nonmaskable interrupt

request.

Interrupt

signals

,543 to

,54:

23 to 25,

97 to 99,

34, 35

22 to 24,

133 to

135, 84,

Input

These pins request a maskable interrupt.

FTCI

Input

The counter clock input pin.

FTOA

Output The output compare A output pin.

FTOB

Output The output compare B output pin.

16-bit

free-

running

timer

(FRT)

FTIA

Input

The input capture A input pin.

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