mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 62

• Manufacturer Part Number: mc33905s
• Description: System Basis Chip Gen2 With High Speed Can And Lin Interface
• Manufacturer: Freescale Semiconductor, Inc

62
33904/5
SERIAL PERIPHERAL INTERFACE
DETAIL OF CONTROL BITS AND REGISTER MAPPING
Table 17. Initialization LIN and I/O registers, INIT LIN I/O (note: register can be written only in INIT mode)
[b_15 b_14] 0_0111 [P/N]
b6, b5
b4, b3
MOSI First Byte [15-8]
Bit
b7
00
01
10
11
00
01
10
11
b2
b1
b0
Condition for default
0
1
0
1
0
1
01 00 _ 111 P
Default state
During cyclic sense active time, I/O is set to the same state prior to enter in low power mode. During cyclic sense on time, I/O-0 is actively set to
During cyclic sense active time, I/O is set to the same state prior to enter in low power mode. During cyclic sense off time, I/O-0 is disable (high
I/O-1 ovoff
Enable high side and low side drivers of terminal I/O-1. Terminal can be used as input and output driver.
Enable high side and low side drivers of terminal I/O-0. Terminal can be used as input and output driver.
I/O-1 ovoff - Select the deactivation of I/O-1 in case V
bit 7
0
Cyc_Inv - Select I/O-0 operation in device Low Power mode, when cyclic sense is selected
Disable high side and low side drivers of terminal I/O-1. I/O-1 can only be used as input.
Disable high side and low side drivers of terminal I/O-0. I/O-0 can only be used as input.
LIN_T1[1], LIN_T1[1] - Select Terminal operation as LIN Master Terminal switch or I/O
LIN_T0[1], LIN_T0[1] - Select Terminal operation as LIN Master Terminal switch or I/O
I/O-0 out-en - Select the operation of the I/O-0 as output driver (high side, low side)
I/O-1 out-en- Select the operation of the I/O-1 as output driver (high side, low side)
Enable I/O-1 turn off, in case V
LIN_T1[1]
bit 6
0
Terminal operation as I/O: high side switch and wake-up input
Terminal operation as I/O: high side switch and wake-up input
the opposite (High side or low side driver is turned on).
Terminal operation as LIN Master Terminal switch
Terminal operation as LIN Master Terminal switch
LIN_T1[0]
bit 5
0
side and low side drivers OFF).
Disable I/O-1 turn off.
Terminal is OFF
Terminal is OFF
DD
Description
LIN_T0[1]
MOSI Second Byte, bits 7-0
or V
bit 4
N/A
N/A
AUX
over-voltage condition is detected.
DD
POR
or V
LIN_T0[0]
AUX
bit 3
0
over voltage condition is detected
I/O-1 out-en
Analog Integrated Circuit Device Data
bit 2
0
Freescale Semiconductor
I/O-0 out-en
bit 1
0
Cyc_Inv
bit 0
0