Specifications

S1C62N82 TECHNICAL SOFTWARE EPSON II-25

CHAPTER 3: PERIPHERAL CIRCUITS (Special Use Output Ports)

In addition to the regular DC, special output can be selected

for output ports R10–R12, as shown in Table 3.4.2. Figure

3.4.1 shows the structure of output ports R10–R12 and MO.

Pin Name When Special Output is Selected

R12 MO or ENV

R10 FOUT

Control of the spe-

cial use output port

Address

(0F4H)

FOUT

Data bus

R10

R11

R12

Mask option

(R12)

(R11)

(R10)

or ENV

(MELD)

Melody data

Fig. 3.4.1

Structure of output ports

R10–R12, MO

Table 3.4.2

Special output