MC33910BAC / MC34910BAC
PIN CONNECTIONS
PIN CONNECTIONS
RXD
TXD
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
HS2
L1
MISO
NC*
NC*
NC*
NC*
PGND
NC*
MOSI
SCLK
CS
ADOUT0
PWMIN
* Special Configuration Recommended /
Mandatory for Marked NC Pins
Figure 24. 33910 Pin Connections
Table 31. 33910 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description.
Pin
Pin Name
Formal Name
Definition
This pin is the receiver output of the LIN interface which reports the state of
the bus voltage to the MCU interface.
1
RXD
Receiver Output
This pin is the transmitter input of the LIN interface which controls the state of
the bus output.
2
TXD
Transmitter Input
SPI data output. When CS is high, the pin is in the high-impedance state.
SPI data input.
3
4
5
6
7
8
MISO
MOSI
SPI Output
SPI Input
SPI clock Input.
SCLK
SPI Clock
SPI chip select input pin. CS is active low.
Analog multiplexer output.
CS
SPI Chip Select
Analog Output Pin 0
PWM Input
ADOUT0
PWMIN
High side pulse width modulation input.
Bidirectional reset I/O pin - driven low when any internal reset source is
asserted. RST is active low.
9
RST
IRQ
NC
Internal Reset I/O
Interrupt output pin, indicating wake-up events from Stop mode or events from
Normal and Normal Request modes. IRQ is active low.
Internal Interrupt
Output
10
11, 15-17,
19-22, 28
No connect
33910
Analog Integrated Circuit Device Data
Freescale Semiconductor
49
FREESCALE [ Freescale ]
