Specifications

II-24 EPSON S1C62N82 TECHNICAL SOFTWARE
CHAPTER 3: PERIPHERAL CIRCUITS (Special Use Output Ports)
Special use output
port memory map
Table 3.4.1 I/O memory map
*1 Initial value following initial reset
*2 Not set in the circuit
*3 Undefined
*4 Reset (0) immediately after being read
*5 Always 0 when being read
*6 Refer to main manual
Special Use Output Ports3.4
Address Comment
Register
D3 D2 D1 D0 Name SR 1 0
0F4H
R12
MO
ENV
R11
R10
FOUT
R/W
MELD
R12
MO
ENV
R11
R10
FOUT
Melody output mask
Output port data (R12)
Inverting melody output
Melody envelope control
Output port data (R11)
Output port data (R10)
Frequency output
Disable
High
–
–
High
High
ON
Enable
Low
–
–
Low
Low
OFF
0
0
–
Hz
0
0
MELD
*6