參數(shù)資料
型號(hào)： LC87F65C8A
廠商： Sanyo Electric Co.,Ltd.
英文描述： 8-Bit Single Chip Microcontroller with 128KB(131072 ×8 bits) ROM and 2048 Byte(2048 ×8 bits) RAM On Chip(8位單片微控制器（帶片上128K（131072 ×8 bit）字節(jié)ROM和2048(2048 ×8 bits)字節(jié)RAM）)
中文描述： 8位單片機(jī)微控制器的128KB（131072 × 8位）光盤(pán)和2048字節(jié)（2048 × 8位）片上的RAM（8位單片微控制器（帶片上128K的（131072 × 8位）光盤(pán)和2048字節(jié)（2048 × 8位）字節(jié)的RAM））
文件頁(yè)數(shù)： 20/24頁(yè)
文件大?。?/td> 684K
代理商： LC87F65C8A
LC87F65C8A
20/24
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 (Ta=-20 to +70
°
C)
Circuit parameters
Oscillation
stabilizing time
Frequency
Manufacturer
Oscillator
C1
C2
Rd1
Operating
supply
voltage
range
typ
max
Notes
CSA10.0MTZ
CST10.0MTW (30pF) (30pF) 470
4.5-5.5V 0.07ms
PBRC10.00BR-
A
CSA4.00MG
33pF
33pF 1.5k
4.5-5.5V 0.06ms
CST4.00MGW (30pF) (30pF) 1.5k
4.5-5.5V 0.06ms
*The oscillation stabilizing time is a period until the oscillation becomes stable after VDD becomes higher than minimum
operating voltage. (Refer to Figure4)
33pF
33pF
470
4.5-5.5V 0.07ms
0.2ms
0.2ms
0.2ms
Murata
Built in C1,C2
Built in C1,C2
10MHz
Kyocera
(10pF) (10pF) 1.0k
4.5-5.5V 0.10ms
0.1ms
0.1ms
Murata
Built in C1,C2
4MHz
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 (Ta=-20 to +70
°
C)
Circuit Parameters
Frequency Manufacturer Oscillator
C3
C4
32.768kHz
Seiko EPSON
C-002Rx 12pF 15pF 10M
680k
*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
Oscillation stabilizing time
typ
0.8s
Rf
Rd2
Operating supply
voltage range
max
2.0s
Notes
4.5 - 5.5V
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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