Datasheet

Analog Integrated Circuit Device Data
4 Freescale Semiconductor
33660
PIN CONNECTIONS
PIN CONNECTIONS
Figure 3. 33660 Pin Connections
Table 2. 33660 Pin Definitions
Pin Number Pin Name Definition
1 VBB Battery power through external resistor and diode.
2 NC
Not to be connected.
(2)
3 GND Common signal and power return.
4 ISO Bus connection.
5 TX Logic level input for data to be transmitted on the bus.
6 RX Logic output of data received on the bus.
7 VDD Logic power source input.
8 CEN Chip enable. Logic “1” for active state. Logic “0” for sleep state.
Notes
2. NC pins should not have any connections made to them. NC pins are not guaranteed to be open circuits.
2
3
4
8
7
6
5
1
1
2
4
3
8
7
5
6
CEN
VDD
TX
VBB
NC
GND
ISO
RX