Owner manual

Rev. F - 15 February, 2001 19

T89C51RD2

It is possible to use timer 2 as a baud rate generator and a clock generator simultaneously. 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 6. Clock-Out Mode C/T2=0

EXF2

TR2

OVEFLOW

T2EX

TH2

(8-bit)

TL2

(8-bit)

TIMER 2

RCAP2H

(8-bit)

RCAP2L

(8-bit)

T2OE

XTAL1

T2CON reg

T2MOD reg

INTERRUPT

Toggle

EXEN2