vsc055xkm-01 Maxim Integrated Products, Inc., vsc055xkm-01 Datasheet - Page 15
vsc055xkm-01
Manufacturer Part Number
vsc055xkm-01
Description
Enhanced I?c Backplane Controller
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.VSC055XKM-01.pdf
(133 pages)
- Current page: 15 of 133
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VSC055-01
Data Sheet
3
3.1
Table 2. Register Map
Registers
This section contains descriptions for the device-specific control registers. All register locations are fixed
within the device and are mapped for easy access, as well as for future enhancements.
Control Registers
The control register section is separated into three sub-sections: a register map, an address map, and bit
level descriptions of all registers. The register map lists all registers by operating address. The address map
shows the relative layout of all control registers.
Although all registers can be accessed at any time and no register function interferes with the operation of
the serial interface, changing register bits does have an immediate effect on the respective I/O lines.
The following table provides the mapping of the registers.
Data Memory
Address
00h
01h
02h
03h
04h
05h
06h
07h
10h
11h
12h
13h
14h
15h
16h
17h
20h
21h
22h
23h
24h
25h
26h
27h
28h
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Label
GPD0
GPD1
GPD2
GPD3
GPD4
GPD5
GPD6
GPD7
DDP0
DDP1
DDP2
DDP3
DDP4
DDP5
DDP6
DDP7
PBC0
PBC1
PBC2
PBC3
PBC4
PBC5
PBC6
PBC7
PBC8
15 of 133
Description
General-Purpose I/O Port 0 Data Register
General-Purpose I/O Port 1 Data Register
General-Purpose I/O Port 2 Data Register
General-Purpose I/O Port 3 Data Register
General-Purpose I/O Port 4 Data Register
General-Purpose I/O Port 5 Data Register
General-Purpose I/O Port 6 Data Register
General-Purpose I/O Port 7 Data Register
I/O Port 0 Data Direction Register
I/O Port 1 Data Direction Register
I/O Port 2 Data Direction Register
I/O Port 3 Data Direction Register
I/O Port 4 Data Direction Register
I/O Port 5 Data Direction Register
I/O Port 6 Data Direction Register
I/O Port 7 Data Direction Register
Port Bypass Control 0 Register
Port Bypass Control 1 Register
Port Bypass Control 2 Register
Port Bypass Control 3 Register
Port Bypass Control 4 Register
Port Bypass Control 5 Register
Port Bypass Control 6 Register
Port Bypass Control 7 Register
Port Bypass Control 8 Register
January 2008
Revision 4.1
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