upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 845

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Sound Generator (SG)
Bit position
4
1
Initial Value
Table 24-3
Address
Access
Bit name
Note
PWR
OS
(1)
SG0CTL - SG0 control register
The 8-bit SG0CTL register controls the operation of the Sound Generator.
This register can be read/written in 8-bit or 1-bit units.
<base> + 7
00
a)
SG0CTL register contents
Change the contents of this register only when the sound is stopped (register
SG0PWM cleared).
Preliminary User’s Manual U17566EE1V2UM00
H
. This register is cleared by any reset.
R
7
0
Function
Power save mode selection:
SG0 output mode selection:
The “0” value of this bit must not be changed!
0: Clock input switched off
1: Clock input switched on
0: Selects SGOF and SGOA outputs (frequency and amplitude separated).
1: Selects SGO output (frequency and amplitude mixed).
operate).
H
R
6
0
R
5
0
PWR
R/W
(
(
the Sound Generator is disabled and does not
the Sound Generator is enabled and ready to use).
4
R
3
0
R
2
0
R/W
OS
1
Chapter 24
R/W
0
0
a
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