參數(shù)資料
型號(hào): 25C256
廠商: Microchip Technology Inc.
英文描述: 256K 5.0V SPI Bus Serial EEPROM(4.5~5.5V,256K位,SPI總線串行EEPROM)
中文描述: 256K 5.0V SPI總線串行EEPROM(4.5?5.5V的,256K位和SPI總線串行EEPROM的)
文件頁數(shù): 72/170頁
文件大?。?/td> 4191K
代理商: 25C256
PIC16F62X
DS40300C-page 70
Preliminary
2003 Microchip Technology Inc.
TABLE 12-3:
BAUD RATES FOR SYNCHRONOUS MODE
F
OSC
= 20 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
BAUD
RATE (K)
16 MHz
SPBRG
value
(decimal)
10 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
KBAUD
ERROR
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
NA
NA
NA
NA
19.53
76.92
96.15
294.1
500
5000
19.53
255
64
51
16
9
0
255
NA
NA
NA
NA
19.23
76.92
95.24
307.69
500
4000
15.625
207
51
41
12
7
0
255
NA
NA
NA
9.766
19.23
75.76
96.15
312.5
500
2500
9.766
255
129
32
25
7
4
0
255
+1.73%
+0.16%
-1.36%
+0.16%
+4.17%
0
+1.73%
+0.16%
+0.16%
-1.96
0
+0.16%
+0.16%
-0.79%
+2.56%
0
BAUD
RATE (K)
F
OSC
= 7.15909 MHz
SPBRG
value
(decimal)
5.0688 MHz
SPBRG
value
(decimal)
4 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
KBAUD
ERROR
KBAUD
ERROR
0.3
1.2
2.4
9.6
19.2
76.8
96
300
NA
NA
NA
9.622
19.24
77.82
94.20
298.3
185
92
22
18
5
NA
NA
NA
9.6
19.2
79.2
97.48
316.8
0
0
131
65
15
12
3
NA
NA
NA
9.615
19.231
75.923
1000
NA
103
51
12
9
+0.23%
+0.23%
+1.32
-1.88
-0.57
+0.16%
+0.16%
+0.16%
+4.17%
+3.13%
+1.54%
5.60%
500
NA
NA
NA
HIGH
LOW
1789.8
6.991
0
1267
4.950
0
100
3.906
0
255
255
255
BAUD
RATE
(K)
F
OSC
= 3.579545 MHz
SPBRG
value
(decimal)
1 MHz
SPBRG
value
(decimal)
32.768 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
KBAUD
ERROR
KBAUD
ERROR
0.3
1.2
2.4
NA
NA
NA
NA
1.202
2.404
207
103
0.303
1.170
NA
+1.14%
-2.48%
26
6
+0.16%
+0.16%
9.6
19.2
76.8
9.622
19.04
74.57
+0.23%
-0.83%
-2.90%
92
46
11
9.615
19.24
83.34
+0.16%
+0.16%
+8.51%
25
12
2
NA
NA
NA
96
99.43
+3.57%
8
NA
NA
300
500
298.3
NA
0.57%
2
NA
NA
NA
HIGH
LOW
894.9
3.496
0
250
0.9766
0
8.192
0.032
0
255
255
255
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