peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 203

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

2.15.4
Address: 320
µP access mode: read/write
Reset value: 00
MODE2…0
DIR 3…0
2.15.5
Address: 321
µP access mode: read/write
Reset value: 00
DAT 3…0
Semiconductor Group
bit 7
bit 7
unused
unused
Configuration Register (VCFGR)
Data Register (VDATR)
MODE2
unused
H
H
GPIO mode.
100…IO mode
010…SACCO-B0
001 - UART
All other values are not defined.
After reset GPIO is configured to IO mode, eventhough VCFGR reset
mode is 00H.
This field is valid only when in IO mode.
Each bit in the field defines if the respective port direction is input or
output.
0 - input direction.
1 - output direction.
Data which is written to this field drives the ports, when GPIO is configured
to IO mode and the ports are configured as outputs. Each bit in the field
drives the respective port, when it’s configured as output. When a port is
configured as input, the respective DATn-field bit is not used. When the
GPIO is not configured to IO mode VDATR is not used. During read
instruction of VDATR the value read, is the value which is driven on the
ports, independently of the GPIO mode, and the configured direction of
each port. Each unused bit will be read as ‘0’.
H
H
MODE1
unused
MODE0
unused
2-157
DAT3
DIR3
Functional Block Description
DAT2
DIR2
DAT1
DIR1
PEB 20560
bit 0
bit 0
DAT0
DIR0
2003-08