R8CSLASH20 datasheet(200/501 Pages) RENESAS

200 / 501 page

R8C/20 Group, R8C/21 Group

14. Timers

Rev.2.00 Aug 27, 2008

Page 184 of 458

REJ09B0250-0200

14.3.6

Output Compare Function

This function is to detect the match (compare match) of the content in the TRDGRji (j = either A, B, C and D)

the TRDIOji pin. Since this function is enabled with a combination of the TRDIOji pin and TRDGRji register,

any of the output compare function, other modes or functions can be selected every pin.

Figure 14.47 shows the Block Diagram of Output Compare Function, Table 14.25 lists the Output Compare

Function Specifications. Figures 14.48 to 14.59 list the Registers Associated with Output Compare Function

and Figure 14.60 shows the Operating Example of Output Compare Function.

Figure 14.47

Block Diagram of Output Compare Function

TRDIOA0

Output

control

Comparator

TRDGRA0

TRD0

TRDIOC0

Output

control

Comparator

TRDGRC0

Compare match signal

TRDIOB0

Output

control

Comparator

TRDGRB0

TRDIOD0

Output

control

Comparator

TRDGRD0

Channel 0

TRDIOA1

Output

control

Comparator

TRDGRA1

TRD1

TRDIOC1

Output

control

Comparator

TRDGRC1

TRDIOB1

Output

control

Comparator

TRDGRB1

TRDIOD1

Output

control

Comparator

TRDGRD1

Channel 1

Compare match signal

IOC3 = 0 in

TRDIORC0 register

IOC3 = 1

IOD3 = 0 in

TRDIORD0 register

IOD3 = 1

IOC3 = 0 in

TRDIORC1 register

IOC3 = 1

IOD3 = 0 in

TRDIORD1 register

IOD3 = 1

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