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| 型號： | HE84760B |
| 廠商： | King Billion Electronics Co., Ltd. |
| 英文描述： | 8-bit Micro-controller |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 32/51頁 |
| 文件大小： | 487K |
| 代理商： | HE84760B |
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KING BILLION ELECTRONICS CO., LTD
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HE84760B
HE80004 Series
June 29, 2005
This specification is subject to change without notice. Please contact sales person for the latest version before use.
32
V1.0
DA = 0x20
DA = 0x80
DA = 0xE0
1 subframe
PWMC address
Field
VOC
VOC
Field
Reset
bit 7
DA7
bit 6
DA6
bit 5
DA5
bit 4
DA4
bit 3
DA3
bit 2
DA2
bit 1
DA1
bit 0
DA0
0x0E
address
0x13
Bit 7
-
Bit 6
Bit 5
Bit 4
Bit 3
PWME
0
Bit 2
PWM
0
Bit 1
DAC
0
Bit 0
OP
0
PWM O/P driver
0
0
0
The PWM bit of VOC controls the enable/disable of the PWM circuit and output driver. When PWM bit
of VOC is ‘0’, PWME bit and output drivers are both cleared. To use PWM as voice output, PWM bit has
to be set to ‘1’ first, then set PWME bit and enable output driver by setting the driver number. If PWM bit
is disabled and enabled again, the setting for driver and PWME bit will be clear.
The Fast Clock is gated through PWME bit of VOC register to provide the clock source of PWM circuit
when it is enabled. As PWM needs higher frequency to operate, it cannot generate correct PWM signal in
Slow clock only mode.
When the program enters into sleep mode or idle mode, it will automatically turn off all voice outputs by
clearing VOC[6:0] to ”0000000”. To activate voice output again when returning to normal mode, the
VOC register needs to be set again.
The PWM output volume can be adjusted by command register VOC[6..4]. The bit 6 and 5 control 2
time driver, while bit 4 controls 1 time driver, thus it has 5 levels of driver output. By turning on/off the
internal drivers, the sound level of PWM output can be turned up and down. Please note that this
adjustment apply only to PWM, but not DA output.
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| HE84761 | 制造商:KB 制造商全稱:KB 功能描述:8-bit Micro-controller |
| HE84761(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84762(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84770 | 制造商:KB 制造商全稱:KB 功能描述:8-bit Micro-controller |
| HE84770(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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