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PC87393 Datasheet(PDF) 129 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87393
Description  100-Pin LPC SuperI/O Devices for Portable Applications
PDF  148 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87393 Datasheet(HTML) 129 Page - National Semiconductor (TI)

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8.0 Legacy Functional Blocks (Continued)
129
www.national.com
8.3.4
SP1 and SP2 Bitmap Summary for UART Functionality
Table 42. Bank 0 Bitmap
Register
Bits
Offset
Mnemonic
76543210
00h
RXD
Receiver Data Bits
TXD
Transmitter Data Bits
01h
IER1
1. Non-Extended Mode
Reserved
MS_IE
LS_IE
TXLDL_IE RXHDL_IE
IER2
2. Extended Mode
Reserved
TXEMP_IE
Reserved3/
DMA_IE4
3. In SP1 only
4. In SP2 only
MS_IE
LS_IE
TXLDL_IE RXHDL_IE
02h
EIR1
FEN1
FEN0
Reserved
RXFT
IPR1
IPR0
IPF
EIR2
Reserved
TXEMP_EV
Reserved 3/
DMA_EV 4
MS_EV
LS_EV or
TXHLT_EV
TXLDL_EV RXHDL_EV
FCR
RXFTH1
RXFTH0
TXFTH1
TXFTH0
Reserved
TXSR
RXSR
FIFO_EN
03h
LCR5
5. When bit 7 of this register is set to 1, bits 6-0 of BSR select the bank, as shown in Table 38.
BKSE
SBRK
STKP
EPS
PEN
STB
WLS1
WLS0
BSR5
BKSE
Bank Select
04h
MCR1
Reserved
LOOP
ISEN or
DCDLP
RILP
RTS
DTR
MCR2
Reserved
TX_DFR
Reserved
RTS
DTR
05h
LSR
ER_INF
TXEMP
TXRDY
BRK
FE
PE
OE
RXDA
06h
MSR
DCD
RI
DSR
CTS
DDCD
TERI
DDSR
DCTS
07h
SPR1
Scratch Data
ASCR
2
Reserved
TXUR4
RXACT
4
RXWDG
4
Reserved
S_OET
4
Reserved RXF_TOUT



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