參數(shù)資料
型號： MB90F377
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16位微控制器專有
文件頁數(shù)： 57/140頁
文件大?。?/td> 650K
代理商： MB90F377
MB90370/375 Series
57
6.
16-bit PPG timer (
×
3)
The 16-bit PPG (Programmable Pulse Generator) timer consists of a 16-bit down counter, prescaler, 16-bit
period setting register, 16-bit duty setting register, 16-bit control register and a PPG output pin.
Features of 16-bit PPG timer :
8 types of counter operation clock (
φ
,
φ
/2,
φ
/4,
φ
/8,
φ
/16,
φ
/32,
φ
/64,
φ
/128) can be selected (
φ
is the machine clock)
An interrupt is generated when there is a trigger or a counter borrow or when PPG rising (normal polarity) /
PPG falling (inverted polarity) .
PPG output operation
The 16-bit PPG timer can output pulse waveforms with variable period and duty ratio. Also, it can be used as
D/A converter in conjunction with an external circuit.
(1) Register configuration of PPG timer
(Continued)
PPG Down Counter Register (Upper)
Address : ch1
ch2
ch3
000049
H
Read/write
Initial value
PPG Down Counter Register (Lower)
Address : ch1
ch2
ch3
000048
H
Read/write
Initial value
PPG Period Setting Buffer Register (Upper)
Address : ch1
ch2
ch3
00004B
H
Read/write
Initial value
PPG Period Setting Buffer Register (Lower)
Address : ch1
ch2
ch3
00004A
H
Read/write
Initial value
000039
H
000041
H
Bit number
PDCRH1 to
PDCRH3
000038
H
000040
H
Bit number
PDCRL1 to
PDCRL3
00003B
H
000043
H
Bit number
PCSRH1 to
PCSRH3
00003A
H
000042
H
Bit number
PCSRL1 to
PCSRL3
15
14
13
12
11
10
9
8
R
1
R
1
R
1
R
1
R
1
R
1
R
1
DC14
R
1
DC15
DC13
DC12
DC11
DC10
DC09
DC08
7
6
5
4
3
2
1
0
R
1
R
1
R
1
R
1
R
1
R
1
R
1
DC06
R
1
DC07
DC05
DC04
DC03
DC02
DC01
DC00
15
14
13
12
11
10
9
8
W
X
W
X
W
X
W
X
W
X
W
X
W
X
CS14
W
X
CS15
CS13
CS12
CS11
CS10
CS09
CS08
7
6
5
4
3
2
1
0
W
X
W
X
W
X
W
X
W
X
W
X
W
X
CS06
W
X
CS07
CS05
CS04
CS03
CS02
CS01
CS00
相關(guān)PDF資料
PDF描述
MB90F377PFF-G 16-bit Proprietary Microcontroller
MB90F378 16-bit Proprietary Microcontroller
MB90F378PFF-GE1 16-bit Proprietary Microcontroller
MB90F387 16-bit Proprietary Microcontroller CMOS
MB90F387PMT 16-bit Proprietary Microcontroller CMOS
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