mikroElektronika EasyARM v6, Руководство пользователя

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EasyARM v6
MikroElektronika
page
7. EEPROM module
EEPROM module enables the microcontroller to use additional 1Kbit EEPROM memory via I2C serial connection. To
establish connection between this module and the microcontroller, it is necessary to set switches 7 and 8 on the DIP
switch SW1 to the ON position.
VCC-3.3 VCC-3.3
R24
1K
R25
1K
U6
24AA01
A0
A1
A2
GND VCC
WP
SCL
SDA
C9
100nF
SW1
P0.2
P0.3
EEPROM-SCL
EEPROM-SDA
EEPROM-SDA
EEPROM-SCL
LPC2148
P1.27
P0.31 GND P0.
0
P1.31 P0.
1
P0.
2
VCC3 P1.26 GND P0.
3
P0.
4
P1.25 P0.
5
P0.
6
P0.
7
P1.24
VREF XT
AL1
XT
AL2
P1.28 GNDA P0.23 RESET P1.29 P0.20 P0.19 P0.18 P1.30 VCC3
GND VBA
T
P0.21 P1.20
P0.17
P0.16
P0.15
P1.21
VCC3
GND
P0.14
P1.22
P0.13
P0.12
P0.11
P1.23
P0.10
P0.9
P0.8
P0.22
RTXC1
P1.19
RTXC2
GND
VCCA
P1.18
P0.25
D+
D-
P1.17
P0.28
P0.29
P0.30
P1.16
VCC3
Figure 7-2: EEPROM module connection schematic
Figure 7-1 : EEPROM module