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參數(shù)資料
| 型號： | LC877424A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 byte RAM on Chip |
| 中文描述： | 8位單片機微控制器納入48K/40K/32K/24K字節(jié)ROM和1536字節(jié)的片上內(nèi)存 |
| 文件頁數(shù)： | 18/22頁 |
| 文件大小： | 342K |
| 代理商： | LC877424A |
LC877448A/40A/32A/24A
No.7776-18/22
Subsystem clock oscillation circuit characteristics
The characteristics in the table bellow is based on the following conditions:
1. Use the standard evaluation board SANYO has provided.
2. Use the peripheral parts with indicated value externally.
3. The peripheral parts value is a recommended value of oscillator manufacturer.
Table 2. Subsystem clock oscillation circuit characteristics using crystal oscillator
Circuit parameters
Oscillation
stabilizing time
Frequency
Manufacturer
Oscillator
C3
[pF]
C4
[pF]
Rf
[
]
Rd2
[k
]
Operating supply
voltage range
[V]
typ
[S]
max
[S]
Notes
32.768kHz
SEIKO EPSON
MC-306
18
18
OPEN
390
2.5 to 6.0
1.1
3.0
Applicable
CL value = 12.5pF
The oscillation stabilizing time is a period until the oscillation becomes stable after executing the instruction which
starts the sub-clock oscillation or after releasing the HOLD mode. (Refer to Figure 4)
(Notes) Since the circuit pattern affects the oscillation frequency, place the oscillation-related parts as close to the
oscillation pins as possible with the shortest possible pattern length.
Figure 1 Ceramic oscillation circuit Figure 2 Crystal oscillation circuit
Figure 3 AC timing measurement point
0.5VDD
C3
Rd2
C4
X’tal
XT2
XT1
Rf
C1
C2
CF
CF2
CF1
Rd1
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| LC877432A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 byte RAM on Chip |
| LC877440A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 byte RAM on Chip |
| LC877448A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 byte RAM on Chip |
| LC877648B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:8-bit 1-chip Microcontroller |
| LC877664B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:8-bit 1-chip Microcontroller |
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