82C900 Datasheet, PDF (11/29 Pages) Infineon Technologies AG – Standalone TwinCAN Controller

82C900
Preliminary
Table 1
Symbol
TXDCB
RESET
RDY
CTRL0
CTRL1
CTRL2
Pin Definitions and Functions (cont’d)
Pin
I/O ¹⁾ Function
Number
27
O Transmitter Output of CAN Node B
TXDCB delivers the output signal of CAN node B. The
signal level has to be adapted to the physical layer of the
CAN bus via a transceiver device.
3
I
Reset
A low level on this pin resets the device.
24
O Ready Signal
Output signal indicating that the standalone device is
ready for data transfer.
9
I/O Control 0
MODE0=0: Chip Select CS
Input used as Chip Select for the device.
MODE0=1: Select Slave SLS
MODE1=0: Input used to enable SSC action when
active.
MODE1=1: Output used to select a slave when active.
20
I/O Control 1
MODE0=0: Address Latch Enable or Address
Strobe, ALE or AS
Input used for latching the address from the multiplexed
address/data bus.
MODE0=1: Serial Channel Clock SCLK
Input/output of the SSC clock.
MODE1=0: Clock input
MODE1=1: Clock output
10
I/O Control 2
MODE0=0: Write or Read/Write, WR or R/W
MODE1=0: Input used as write signal WR
MODE1=1: R/W=0: Data transfer direction = write
MODE1=1: R/W=1: Data transfer direction = read
MODE0=1: Master Transmit Slave Receive MTSR
MODE1=0: Serial data input
MODE1=1: Serial data output
Data Sheet
11
V 1.0D3, 2001-03