NXP Semiconductors KL25 Series - System Options Register 5 (SIM_SOPT5)

12.2.5 System Options Register 5 (SIM_SOPT5)
Address: 4004_7000h base + 1010h offset = 4004_8010h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0 0
UART2ODE UART1ODE UART0ODE
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
UART1RXSRC
UART1TXSRC
0
UART0RXSRC
UART0TXSRC
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SIM_SOPT5 field descriptions
Field Description
31–20
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
19
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
18
UART2ODE
UART2 Open Drain Enable
0 Open drain is disabled on UART2
1 Open drain is enabled on UART2
17
UART1ODE
UART1 Open Drain Enable
0 Open drain is disabled on UART1
1 Open drain is enabled on UART1
16
UART0ODE
UART0 Open Drain Enable
0 Open drain is disabled on UART0
1 Open drain is enabled on UART0
15–7
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
6
UART1RXSRC
UART1 receive data source select
Selects the source for the UART1 receive data.
0 UART1_RX pin
1 CMP0 output
5–4
UART1TXSRC
UART1 transmit data source select
Selects the source for the UART1 transmit data.
Table continues on the next page...
Chapter 12 System integration module (SIM)
KL25 Sub-Family Reference Manual, Rev. 3, September 2012
Freescale Semiconductor, Inc. 199