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參數(shù)資料
| 型號(hào)： | X24C01 |
| 英文描述： | Serial EEPROM(二線接口串行EEPROM(128×8)) |
| 中文描述： | 串行EEPROM（二線接口串行EEPROM中（128 × 8）） |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 24K |
| 代理商： | X24C01 |
Application Note
AN33
Xicor, Inc.
1511 Buckeye Drive
Milpitas, CA 95035
(408) 432-8888
AN33-1
Interfacing the X24C01 to the Motorola 68HC11 Microcontroller
by Applications Staff, July 1992
The following code demonstrates how the Xicor
X24C01 serial E
2
PROM can be interfaced to the
Motorola
68HC11
microcontroller
connected as shown in Fig. 1. The code uses two pins
from port D to implement the interface. Additional
code can be found on the Xicor BBS (or through the
Xicor FaxBack system) that will implement interfaces
between several other Motorola microcontroller
families and most Xicor serial devices. The Xicor BBS
family
when
can be reached toll free at 1-800-258-8864, or in the
(408) area code and internationally at 1-408-943-0655.
Xicor’s BBS will support up to a 19.2K baud rate
modem (no parity, 8 bit words, 1 stop bit, and no local
echo). These listings can be found in the MOTOROLA
SIG (Special Interest Group). Xicor application notes
are also available through Xicor's FaxBack system at
(408) 954-1627.
VCC
U2
68HC11A8
XT
EX
30
29
RESET
IRQ
XIRQ
39
41
40
PA0
PA1
PA2
8
7
6
PE0
PE1
PE2
PE3
17
18
19
20
VRH
VRL
22
21
PA3
PA4
PA5
PA6
PA7
5
4
3
2
1
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
16
15
14
13
12
11
10
9
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
31
32
33
34
35
36
37
38
PD0
PD1
PD2
PD3
PD4
PD5
42
43
44
45
46
47
MODA
MODB
25
24
E
27
26
28
AS
R/W
U1
X24C01
SCL
6
SDA
5
Figure 1 - Interfacing an X24C01 to a 68HC11 microcontroller using Port D
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