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| 型號： | 7630 |
| 英文描述： | 7630 Group Datasheet Datasheet 840K/JAN.13.99 |
| 中文描述： | 7630組數(shù)據(jù)表數(shù)據(jù)表840K/JAN.13.99 |
| 文件頁數(shù)： | 22/49頁 |
| 文件大小： | 840K |
| 代理商： | 7630 |
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MITSUBISHI MICROCOMPUTERS
7630 Group
21
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 19
Operating Modes
(1) Timer mode
This mode is available with timer X and timer Y.
Count source
The count source for timer X and Y is the output of the corre-
sponding clock divider. The division ratio can be selected by the
timer Y mode register.
Operation
Both timers X and Y are down counters. On a timer underflow,
the corresponding timer interrupt request bit will be set to “1”, the
contents of the corresponding timer latches will be reloaded to
the counters and counting continues.
(2) Bi-phase counter mode (quadruplicate)
This mode is available with timer X only.
Count source
The count sources are P1
4
/CNTR
0
and the P1
3
/TX
0
pins.
Operation
Timer X will count both rising and falling edges on both input pins
(see above). Refer to Timer X bi-phase counter mode operation
for the timing chart of the bi-phase counter mode.
Structure of timer Y mode register (
φ
is internal system clock)
The count direction is determined by the edge polarity and level
of count source inputs and may change during the count opera-
tion. Refer to the table below.
On a timer over- or underflow, the corresponding interrupt
request bit will be set to “1” and counting continues.
Timer X count source selection bits
b1 b0
0 0:
φ
divided by 4
0 1:
φ
divided by 16
1 0:
φ
divided by 64
1 1:
φ
divided by 128
Timer Y count source selection bits
b3 b2
0 0:
φ
divided by 2
0 1:
φ
divided by 8
1 0:
φ
divided by 32
1 1:
φ
divided by 64
Timer Y operation mode bits
b5 b4
0 0: Timer mode
0 1: Pulse period measurement mode
1 0: Event counter mode
1 1: H/L pulse width measurement mode
CNTR
1
polarity selection bit
0 :
For event counter mode, rising edge active
For interrupt request, falling edge active
For pulse period measurement mode, refer to falling edges
1 :
For event counter mode, falling edge active
For interrupt request, rising edge active
For pulse period measurement mode, refer to rising edges
Timer Y stop control bit
0 :
Timer counting
1 :
Timer stopped
7
0
Timer Y mode register (address 001F
16
)
TYM
Table 4: Timer X count direction in Bi-phase counter mode
P1
3
/TX
0
P1
4
/CNTR
0
Count direction
↑
Edge
L
Up
H
Down
↓
Edge
L
Down
H
Up
L
↑
Edge
Down
H
Up
L
↓
Edge
Up
H
Down
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 7630.B | 制造商:GT LINE 功能描述:CASE, EXPLORER |
| 7630_03 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER |
| 76-300 | 制造商:Tenma 功能描述:Enhanced Power Supply Probe Kit 制造商:TENMA 功能描述:ENHANCED POWER SUPPLY PROBE KIT 11 PIECE |
| 763-00/001 | 功能描述:交流電源輸入模塊 DPST SLDR TAB MODULE RoHS:否 制造商:Schurter 過濾:Yes 過濾器類型:IEC Inlet Filters 產(chǎn)品:Inlets 電流額定值:4 A 電壓額定值:250 VAC 外殼材料:Thermoplastic 安裝風(fēng)格:Panel, Screw 端接類型:Quick Connect 工作溫度范圍:- 25 C to + 85 C 連接器類型:C-14 |
| 763-00/002 | 功能描述:交流電源輸入模塊 Screw Mnt Solder RoHS:否 制造商:Schurter 過濾:Yes 過濾器類型:IEC Inlet Filters 產(chǎn)品:Inlets 電流額定值:4 A 電壓額定值:250 VAC 外殼材料:Thermoplastic 安裝風(fēng)格:Panel, Screw 端接類型:Quick Connect 工作溫度范圍:- 25 C to + 85 C 連接器類型:C-14 |
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