PCF84C85AT データシートの表示（PDF） - Philips Electronics

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PCF84C85AT

Microcontroller with extended I/O

Philips Electronics 

Philips Semiconductors

Microcontroller with extended I/O

Product specification

PCF84C85A

8 SUMMARY OF DERIVATIVE PORTS AND REGISTERS

Table 2 Derivative Ports.

DERIVATIVE

ADDRESS

00H

01H

02H

03H

04H

TYPE

R

R

R/W

R/W

−

REGISTER

MNEMONIC

DP0L

DP1L

DP0FF

DP1FF

−

DESCRIPTION

Derivative Port 0 lines

Derivative Port 1 lines

Derivative Port 0 flip-flops

Derivative Port 1 flip-flops

Table 3 Derivative Registers.

REGISTER

MNEMONIC

DP0L

DP1L

DP0FF

DP1FF

7

D0.7

0

F0.7

0

6

D0.6

D1.6

F0.6

F1.6

5

D0.5

D1.5

F0.5

F1.5

4

D0.4

D1.4

F0.4

F1.4

3

D0.3

D1.3

F0.3

F1.3

2

D0.2

D1.2

F0.2

F1.2

1

D0.1

D1.1

F0.1

F1.1

0

D0.0

D1.0

F0.0

F1.0

9 ROM MASK OPTIONS

Program/data

ROM CODE

Port Output

P0.0 to P0.7

P1.0 to P1.7

SDA/P2.3

DP0.0 to DP0.7

DP1.0 to DP1.7

Port State after reset

P0.0 to P0.7

P1.0 to P1.7

SDA/P2.3

DP1.0 to DP1.7

DP2.0 to DP2.2

Oscillator

Transconductance

OPTION

Any mix of instructions and data up to ROM size of

8 kbytes.

standard

standard

−

standard

standard

open-drain

open-drain

open-drain

open-drain

open-drain

push-pull

push-pull

−

push-pull

push-pull

set

reset

−

set

reset

−

set

−

−

set

reset

−

set

reset

−

LOW (gmL)

MEDIUM (gmM) HIGH (gmH)

1996 Nov 21

6

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