R1610C RDC Semiconductor, R1610C Datasheet - Page 87

• Manufacturer Part Number: R1610C
• Description: High Performance 16 Bits MCU Integrated One 10/100M Mac Controller - 3.3V Operating Voltage/2.5V Core Voltage
• Manufacturer: RDC Semiconductor

R
Data Sheet
Final Version 1.5
October 27, 2003
R
Register Offset:
Register Name:
Reset Value
15-0
Register Offset:
Register Name:
Reset Value
15-0
PIO Mode
15
Bit
15
Bit
D
D
0
0
1
1
14
14
PDATA
[31:16]
[31:16]
C
Name
Name
C
PDIR
13
13
®
®
:
:
PIO Direction
R
R
I
I
S
S
Attribute
Attribute
C
C
7Ah
PIO Data 1 Register
──
78h
PIO Direction 1 Register
FF9Fh
D
D
12
12
S
S
R/W
R/W
0
1
0
1
P
P
C
C
o
o
m
m
m
m
u
u
11
11
n
n
i
i
c
c
a
a
t
t
PIO Data Bits.
These bits PDATA[31:16] are mapped to the PIO[31:16], which indicate to the
PIO Direction Register.
Set 1: Configure the PIO pin as an input pin.
Set 0: Configure the PIO pin as an output or as a pin of normal function.
driven level when the PIO pin is as an output or reflect the external level when the
PIO pin is as an input.
i
i
o
o
n
n
Normal Operation
PIO input with pull-up/pull-down
PIO output
PIO input without pull-up/pull-down
10
10
9
9
PDATA [31:16]
PDIR [31:16]
8
8
7
7
Pin Function
6
6
Description
Description
5
5
4
4
Fast Ethernet RISC Processor
3
3
2
2
1
1
R1610C
0
0
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