/_ |
3 | ||
DS1813 | |||
-o |
Reset
P27
ISP
PD2 PD4
SI
Vcc
/ ’ |
/ |
RTC | |
PCF8583 |
/ |
BAT
SCL
P 6 |
P18 | |
I2C -8l>if |
i ADC- J |
i
EEPROM
24C04
Exp andei |
ADC | ||||
PCF8574 |
PCF8591 | ||||
/ |
/ |
Vref
SD A
rc |
PB2-PB'
Tx
Rx
/ |
P16 | ||
-> |
RS485 |
| A- t | |
SN75175 |
— | ||
_ |
/| TxD ^ |
f " PI | |
RS232 |
RxD w | ||
MAX232 |
— |
P25
1-Wire
-O
-o
-o
-o
-o
-o
KI
o-
o-
o-
o-
o-
o-
K6
P5
LCT>
\ |
P7 |
i |
RC5 | ||
_j |
+5V
Układ
zasilania