Rainbow-electronics T89C51AC2 Uživatelský manuál stáhnout pdf (Strana 61)

T89C51AC2

Rev. B – 19-Dec-01

It is possible to use timer 2 as a baud rate generator and a clock generator simulta-

neously. For this configuration, the baud rates and clock frequencies are not

independent since both functions use the values in the RCAP2H and RCAP2L registers.

Figure 28. Clock-Out Mode

EXEN2

EXF2

OVERFLOW

T2EX

TH2

(8-bit)

TL2

(8-bit)

TIMER 2

RCAP2H

(8-bit)

RCAP2L

(8-bit)

T2OE

T2CON reg

T2MOD reg

C/T2

T2CON reg

INTERRUPT

CT/2

T2CON.1

TR2

T2CON.2

FT2

CLOCK

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 109 110

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Rainbow-electronics T89C51AC2 Uživatelský manuál Strana 61