R1610C RDC Semiconductor, R1610C Datasheet - Page 88
R1610C
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
Datasheet
1.R1610C.pdf
(145 pages)
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R
R
15-0
15-0
15-0
88
Register Offset:
Register Name:
Reset Value
Register Offset:
Register Name:
Reset Value
Register Offset:
Register Name:
Reset Value
15
Bit
15
Bit
15
Bit
D
D
14
14
14
PMODE
C
[31:16]
PDATA
Name
C
Name
Name
[15:0]
PDIR
[15:0]
13
13
13
®
®
:
:
:
R
R
I
I
S
S
Attribute
C
Attribute
Attribute
C
76h
PIO Mode 1 Register
0000h
74h
PIO Data 0 Register
──
72h
PIO Direction 0 Register
FC4Fh
D
D
12
12
12
S
S
R/W
R/W
R/W
P
P
C
C
o
o
m
m
m
m
u
u
11
11
11
n
n
i
i
c
c
a
a
t
t
PIO Mode Bit.
The definitions of PIO pins are configured by the combination of PIO Mode and
PIO Direction. The PIO pins are programmed individually.
The definitions (PIO Mode, PIO Direction) for the functions of PIO pins:
PIO Data Bits.
These bits PDATA [15:0] are mapped to the PIO [15:0], which indicate to the
driven level when the PIO pin is as an output or reflect the external level when the
PIO pin is as an input.
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.
i
i
o
o
n
n
( 0 , 0 ) – Normal operation , ( 0 , 1 ) – PIO input with pull-up/pull-down
( 1 , 0 ) – PIO output
10
10
10
9
9
9
PMODE [31:16]
PDATA [15:0]
PDIR [15:0]
8
8
8
7
7
7
, ( 1 , 1 ) -- PIO input without pull-up/pull-down
6
6
6
Description
Description
Description
5
5
5
4
4
4
Fast Ethernet RISC Processor
3
3
3
2
2
2
1
1
1
R1610C
October 27, 2003
0
0
0
Final Version 1.5
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