cp3cn23 National Semiconductor Corporation, cp3cn23 Datasheet - Page 141

• Manufacturer Part Number: cp3cn23
• Description: Cp3cn23 Reprogrammable Connectivity Processor With Dual Can Interfaces
• Manufacturer: National Semiconductor Corporation

20.3
Software interacts with the UART modules by accessing the
UART registers, as listed in Table 60.
U0MDSL1
U0MDSL2
U1MDSL1
U0ICTRL
U1ICTRL
U0RBUF
U0BAUD
U0SPOS
U1RBUF
U1BAUD
U0TBUF
U1TBUF
U0STAT
U1STAT
U0PSR
U0OVR
U1PSR
U1OVR
U0FRS
U1FRS
Name
UART REGISTERS
Table 60 UART Registers
FF F20Ch
FF F22Ch
FF F20Eh
FF F20Ah
FF F212h
FF F22Eh
FF F22Ah
FF F202h
FF F200h
FF F208h
FF F206h
FF F204h
FF F210h
FF F214h
FF F222h
FF F220h
FF F228h
FF F226h
FF F224h
FF F230h
Address
UART0 Transmit Data
UART0 Interrupt Con-
UART1 Transmit Data
UART1 Interrupt Con-
UART0 Receive Data
UART0 Frame Select
UART1 Receive Data
UART1 Frame Select
UART0 Mode Select
UART0 Mode Select
UART1 Mode Select
UART0 Oversample
UART1 Oversample
UART0 Baud Rate
UART0 Baud Rate
UART1 Baud Rate
UART1 Baud Rate
Position Register
UART0 Sample
UART0 Status
UART1 Status
Rate Register
Rate Register
Description
trol Register
trol Register
Register 1
Register 2
Register 1
Prescaler
Prescaler
Register
Register
Register
Register
Divisor
Divisor
Buffer
Buffer
Buffer
Buffer
141
U1MDSL2
U2MDSL1
U2MDSL2
U3MDSL1
U2ICTRL
U3ICTRL
U1SPOS
U2RBUF
U2BAUD
U2SPOS
U3RBUF
U3BAUD
U2TBUF
U3TBUF
U2STAT
U3STAT
U2OVR
U2PSR
U2FRS
U3PSR
U3FRS
Name
Table 60 UART Registers
FF F24Ch
FF F26Ch
FF F24Eh
FF F24Ah
FF F26Eh
FF F26Ah
FF F232h
FF F234h
FF F242h
FF F240h
FF F248h
FF F246h
FF F244h
FF F250h
FF F252h
FF F254h
FF F262h
FF F260h
FF F268h
FF F266h
FF F264h
Address
UART2 Interrupt Con-
UART3 Interrupt Con-
UART2 Transmit Data
UART3 Transmit Data
UART2 Receive Data
UART2 Frame Select
UART3 Receive Data
UART3 Frame Select
UART1 Mode Select
UART2 Mode Select
UART2 Mode Select
UART3 Mode Select
UART2 Oversample
UART2 Baud Rate
UART2 Baud Rate
UART3 Baud Rate
UART3 Baud Rate
Position Register
Position Register
UART1 Sample
UART2 Sample
UART2 Status
UART3 Status
Rate Register
Description
trol Register
trol Register
Register 2
Register 1
Register 2
Register 1
Prescaler
Prescaler
Register
Register
Register
Register
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Divisor
Divisor
Buffer
Buffer
Buffer
Buffer