PC87307VUL National Semiconductor, PC87307VUL Datasheet - Page 167

• Manufacturer Part Number: PC87307VUL
• Description: PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O
• Manufacturer: National Semiconductor

0
7
7
7
7
Reserved
0
6
6
6
6
Extended UART, SIR or Sharp-IR Mode
0
TXUR
5
5
5
5
RXBSY or RXACT
0
4
4
4
4
0
RXWDG
0
3
3
3
3
Non-Extended Mode
0
Least Significant Byte
Most Significant Byte
Reserved
Scratch Data
2
2
2
2
0
S_EOT
Legacy Baud Generator Divisor
Legacy Baud Generator Divisor
1
1
1
1
of Baud Generator
of Baud Generator
EOF_INF
0
0
0
0
0
Reset
Required
RXF_TOUT
Reset
Required
Reset
Required
Reset
Required
UART1 and UART2 (with IR) (Logical Devices 5 and 6)
High Byte Register
Low Byte Register
Register (ASCR)
Scratch Register
Auxiliary Status
Offset 07h
(LBGD(L)
Offset 00h
Offset 01h
Offset 07h
(LBGD(H))
Bank 0,
Bank 1,
Bank 1,
Bank 0,
(SCR)
167
x
x
7
7
0
0
7
7
LOCK
BTEST
x
x
6
6
0
1
0
0
6
6
Reserved
x
x
5
5
0
0
5
5
Reserved
x
x
ETDLBK
0
0
PRESL1
4
4
4
4
x
x
LOOP
PRESL0
0
0
3
3
3
3
Least Significant Byte
Most Significant Byte
DMASWP
x
x
0
0
2
2
2
2
RF_SIZ1
x
x
0
DMATH
0
1
1
1
1
of Baud Generator
of Baud Generator
RF_SIZ0
x
x
DMANF
0
0
0
0
0
0
TF_SIZ1
Reset
Required
Reset
Required
Reset
Required
Reset
Required
EXT_SL
Baud Generator Divisor
TF_SIZ0
Baud Generator Divisor
Extended Control and
Extended Control and
and Status Register 1
and Status Register 2
High Byte Register
Low Byte Register
www.national.com
Offset 02h
Offset 04h
Offset 00h
Offset 01h
(BGD(L))
(BGD(H))
(EXCR1)
(EXCR2)
Bank 2,
Bank 2,
Bank 2,
Bank 2,