参数资料
型号: S1C63158D0A010P
元件分类: 微控制器/微处理器
英文描述: 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, UUC53
封装: DIE-53
文件页数: 10/159页
文件大小: 1200K
代理商: S1C63158D0A010P
S1C63808 TECHNICAL MANUAL
EPSON
99
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Sound Generator)
4.11.4 Digital envelope
A digital envelope for duty control can be added to the buzzer signal.
The envelope can be controlled by staged changing of the same duty envelope as detailed in Table 4.11.3.2
in the preceding item from level 1 (maximum) to level 8 (minimum).
The addition of an envelope to the buzzer signal can be done by writing "1" into ENON, but when "0" has
been written it is not added.
When a buzzer signal output is begun (writing "1" into BZE) after setting ENON, the duty ratio shifts to
level 1 (maximum) and changes in stages to level 8.
When attenuated down to level 8 (minimum), it is retained at that level. The duty ratio can be returned to
maximum, by writing "1" into register ENRST during output of a envelope attached buzzer signal.
The envelope attenuation time (time for changing of the duty ratio) can be selected by the register
ENRTM. The time for a 1 stage level change is 62.5 msec (16 Hz), when "0" has been written into ENRTM
and 125 msec (8 Hz), when to "1" has been written. However, there is also a max. 4 msec error from
envelope ON, up to the first change.
Figure 4.11.4.1 shows the timing chart of the digital envelope.
BZFQ0–2
ENON
ENRST
ENRTM
BZE
t01
t02
t03
t04
t05
t06
t07
t01
t11
t12
t13
t14
t15
t16
t17
Level 1 (Max.)
2
3
4
5
6
7
8 (Min.)
BZ signal
duty ratio
No change of duty level
t01
t02–07
= 62.5
msec
= 62.5 msec
+0
–4
t11
t12–17
= 125
msec
= 125 msec
+0
–4
Fig. 4.11.4.1 Timing chart for digital envelope
相关PDF资料
PDF描述
S1C7XXXF00E199 16-BIT, 90 MHz, RISC MICROCONTROLLER, PQFP
S2041 PHOTO TRANSISTOR DETECTOR
S3P44R10 TRIGGER OUTPUT SOLID STATE RELAY, 4000 V ISOLATION-MAX
S3S12P128J0VQK 16-BIT, MROM, 1.05 MHz, MICROCONTROLLER, PQFP80
MC9S12P128J0CFTR 16-BIT, FLASH, 1.05 MHz, MICROCONTROLLER, QCC48
相关代理商/技术参数
参数描述
S1C63408 制造商:EPSON 制造商全称:EPSON 功能描述:4-bit Single Chip Microcomputer
S1C63557D04Q000 制造商:Seiko Instruments Inc (SII) 功能描述:EPSON MCU 4BIT
S1C63567 制造商:EPSON 制造商全称:EPSON 功能描述:4-bit Single Chip Microcomputer
S1C63616 制造商:EPSON 制造商全称:EPSON 功能描述:4-bit Single Chip Microcomputer
S1C63632 制造商:EPSON 制造商全称:EPSON 功能描述:4-bit Single Chip Microcomputer