Special Use Output Port; Special Use Output Port Memory Map - Epson E0C6001 Technical Manual

Special use output
port memory map
Table 3.3.1 I/O memory map
Address
D3
0
R
0F3H
XBZR
R/W
0FDH
*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
CHAPTER 3: PERIPHERAL CIRCUITS (Special Use Output Port)
3.3

Special Use Output Port

Register
D2 D1 D0 Name
R01 R00
0
0
BUZZER FOUT
0
R/W
R01
BUZZER
R00
FOUT
0 XFOUT1 XFOUT0 XBZR
0
R R/W
XFOUT1
XFOUT0
SR *1 1 0
*5
*5
0 High Low
0 ON OFF
0 High Low
0 ON OFF
0 2 kHz 4 kHz
*5
High Low
0
0 High Low
Comment
R01 output port data
Buzzer ON/OFF control register
R00 output port data
Frequency output ON/OFF control register
Buzzer frequency control
FOUT frequency control:
XFOUT1(0), XFOUT0(0) -> F1
XFOUT1(0), XFOUT0(1) -> F2
XFOUT1(1), XFOUT0(0) -> F3
XFOUT1(1), XFOUT0(1) -> F4
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