HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 254

• Manufacturer Part Number: HFC-4S
• Description: Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
• Manufacturer: Cologne Chip AG

HFC-4S
HFC-8S
254 of 273
R_GPIO_SEL
GPIO selection register
This register allows to select first or second function of some pins.
0
1
2
3
4
5
6
7
Bits
0
0
0
0
0
0
0
0
Value
Reset
Name
V_GPIO_SEL0
V_GPIO_SEL1
V_GPIO_SEL2
V_GPIO_SEL3
V_GPIO_SEL4
V_GPIO_SEL5
V_GPIO_SEL6
V_GPIO_SEL7
General purpose I/O pins
(write only)
Data Sheet
Description
GPIO0 and GPIO1
’0’ = pins T_A0 and T_B0 enabled
’1’ = pins GPIO0 and GPIO1 enabled
GPIO2 and GPIO3
’0’ = pins T_B1 and T_A1 enabled
’1’ = pins GPIO2 and GPIO3 enabled
GPIO4 and GPIO5
’0’ = pins T_A2 and T_B2 enabled
’1’ = pins GPIO4 and GPIO5 enabled
GPIO6 and GPIO7
’0’ = pins T_B3 and T_A3 enabled
’1’ = pins GPIO6 and GPIO7 enabled
GPIO8 and GPIO9
’0’ = pins T_A4 and T_B4 enabled
’1’ = pins GPIO8 and GPIO9 enabled
GPIO10 and GPIO11
’0’ = pins T_B5 and T_A5 enabled
’1’ = pins GPIO10 and GPIO11 enabled
GPIO12 and GPIO13
’0’ = pins T_A6 and T_B6 enabled
’1’ = pins GPIO12 and GPIO13 enabled
GPIO14 and GPIO15
’0’ = pins T_B7 and T_A7 enabled
’1’ = pins GPIO14 and GPIO15 enabled
March 2003 (rev. A)
Cologne
Chip
0x44