參數(shù)資料
型號(hào)： LC876580B
廠商： Sanyo Electric Co.,Ltd.
英文描述： 8-Bit Single Chip Microcontroller with 96/80 KB ROM and 2048-Byte RAM On Chip
中文描述： 8位單片機(jī)微控制器八十〇分之九十六KB ROM和2048字節(jié)的片上內(nèi)存
文件頁(yè)數(shù)： 20/23頁(yè)
文件大?。?/td> 682K
代理商： LC876580B
LC876596B/80B
No.6717-20/23
Main system 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 1. Main system clock oscillation circuit characteristics using ceramic resonator
Circuit parameters
Oscillation
stabilizing time
Frequency
Manufacturer
Oscillator
C1
C2
Rd1
Operating
supply
voltage
range
typ
max
Notes
CSA10.0MTZ
CST10.0MTW
PBRC10.00BR-A (10pF) (10pF) 1.0k
4.5-6.0V 0.10ms
CSA4.00MG
33pF
33pF 1.5k
4.5-6.0V 0.05ms
CST4.00MGW (30pF) (30pF) 1.5k
4.5-6.0V 0.05ms
The oscillation stabilizing time is a period until the oscillation becomes stable after VDD becomes higher than minimum
operating voltage. (Refer to Figure4)
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
33pF
(30pF) (30pF) 470
4.5-6.0V 0.05ms
33pF
470
4.5-6.0V 0.05ms
0.2ms
0.2ms
0.2ms
0.2ms
0.2ms
Murata
Built in C1,C2
Built in C1,C2
Built in C1,C2
10MHz
Kyocera
Murata
4MHz
Circuit parameters
Oscillation
stabilizing time
typ
0.8s
Frequency
Manufacturer
Oscillator
C3
12pF 15pF 10M
680k
C4
Rf
Rd2
Operating
supply voltage
range
4.5-6.0V
max
2.0s
Notes
32.768MHz
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 Figure4)
(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 3 AC timing measurement point
Seiko EPSON
C-002Rx
Figure 2 Crystal oscillation circuit
C1
C2
CF
CF2
CF1
C3
Rd2
C4
X’tal
XT2
XT1
Rf
Rd1
0.5VDD
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