P87C58UFBB Просмотр технического описания (PDF) - NXP Semiconductors.

Номер в каталоге

Компоненты Описание

Список матч

P87C58UFBB

80C51 8-bit microcontroller family 8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V), low power, high speed (33 MHz)

NXP Semiconductors. 

Philips Semiconductors

80C51 8-bit microcontroller family

8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),

low power, high speed (33MHz)

Product specification

8XC54/58

8XC51FA/FB/FC/80C51FA

8XC51RA+/RB+/RC+/RD+/80C51RA+

OSC

÷ 12

T2 PIN

C/T2 = 0

C/T2 = 1

TRANSITION

DETECTOR

CONTROL

TR2 RELOAD

TL2

(8-BITS)

TH2

(8-BITS)

RCAP2L

RCAP2H

T2EX PIN

CONTROL

EXEN2

Figure 4. Timer 2 in Auto-Reload Mode (DCEN = 0)

(DOWN COUNTING RELOAD VALUE)

FFH

FFH

TF2

EXF2

TIMER 2

INTERRUPT

SU00067

TOGGLE

EXF2

OSC

÷12

C/T2 = 0

T2 PIN

C/T2 = 1

OVERFLOW

TL2

TH2

TF2

CONTROL

TR2

RCAP2L

RCAP2H

(UP COUNTING RELOAD VALUE)

Figure 5. Timer 2 Auto Reload Mode (DCEN = 1)

COUNT

DIRECTION

1 = UP

0 = DOWN

T2EX PIN

INTERRUPT

SU00730

2000 Aug 07

16

Share Link: