Rainbow-electronics AT89C5132 Manual do Utilizador descarregar pdf (Página 11)

AT8xC5132

4173A–8051–08/02

Internal Pin Structure

Notes: 1. For information on resistors value, input/output levels, and drive capability, refer to the AT8xC5132 full Datasheet.

2. In Port 2, P

transistor is continuously driven when outputing a high level bit address (A15:8).

Table 15. Detailed Internal Pin Structure

Circuit

(1)

Type Pins

Input TST#

Input/Output RST

Input/Output

(3)

P53:0

Input/Output

MCMD

MDAT

ISP#

Output

ALE

SCLK

DCLK

DOUT

DSEL

MCLK

Input/Output

D+

D-

RRST

VSS

VDD

Watchdog Output

VSS

VDD VDD

2 osc

Latch Output

periods

VDD

VSS

VDD

VSS

VDD

D+

D-

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 161 162

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