sh6613 SinoWealth Micro-Electronics Corp. Ltd, sh6613 Datasheet - Page 10

• Manufacturer Part Number: sh6613
• Description: 4k 4-bit Microcontroller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Channel 1
Channel 2
PSG
OCT2
OCT1
C2M
0
1
CLK
0
1
0
1
x
PSG CLK
Scaling ratio
/8
Scaling ratio
1/8
1
1/8
CH2EN OCT2
1
SELECTOR
C1M
/8
0
0
1
CH1EN
SELECTOR
32Hz
1Hz
4Hz
8Hz
OCT1
CH1 is Sound generator.
CH1 is Sound generator.
CH1 is Sound generator.
REGISTER C2.14~C2.0
NOISE GENERATOR
Channel 1 is constructed by a 7-bit pseudo random counter. Channel 1 is
enabled/disabled by CH1EN. It creates either a sound frequency or an
alarm carrier frequency or a remote carrier frequency.
Channel 2 is constructed by a 15-bit pseudo random counter. Channel 2
is enabled/disabled by CH2EN
It can be a 15-bit wide-band noise generator or a 7-bit sound generator. It
can also create an alarm envelope signal.
C2.3~C2.0
DIVIDER 2
ENEVLOP
REGISTER C1.6~C1.0
10/33
DIVIDER 1
C2.14~C2.0
C2.14~C2.8
C1M
/2
ENEVLOP
Function
CH2 is Sound generator.
CH2 is Noise generator.
CH2 is Alarm mode register.
/2
SELECTOR
C2M
CH1 OUT
SH6613/B/C
CH2 OUT
V1.2