R1610C RDC Semiconductor, R1610C Datasheet - Page 86

• 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
17.
normal functions. Software must be used to configure these multi-functional pins as PIO or normal functions by
means of programming through these registers (7Ah, 78h, 76h, 74h, 72h, and 70h).
R
17.1
86
PIO No.
D
PIO UNIT
The R1610C provides 32 programmable I/O signals, which are multi-functional pins with other signals of
D
10
12
13
14
15
25
26
27
28
29
31
11
0
1
3
7
8
9
C
PIO multi-function Pin list table
C
®
®
Pin No.(PQFP)
PIO Data In/Out
R
R
I
I
S
S
C
C
124
126
125
D
D
11
46
44
43
12
10
14
13
34
35
39
41
42
S
S
Normal Data In
9
6
P
P
C
C
o
o
m
m
m
m
u
u
n
n
i
i
c
c
a
a
t
t
i
i
o
o
n
n
PDATA
Read
PDATA
Write
PCS3_n/IOW_n
PCS2_n/IOR_n
Multi Function
DRQ0/INT5
DRQ1/INT6
TMROUT1
TMROUT0
A17/SAD6
A18/SAD7
Normal Function
A19/ALE
UARTX0
TMRIN1
PCS5_n
TMRIN0
PCS0_n
PCS1_n
INT2
OE
Q
D
PIO pin Operation Diagram
Q
D
Microprocessor
Mode
PIO
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-down
PIO/ Input with 75K pull-up
Normal operation/ Input with 75K pull-up
Normal operation/ Input with 75K pull-up
Normal operation/ Input with 75K pull-up
PIO/ Input with 75K pull-down
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-up
PIO/ Input with 75K pull-down
PIO/ Input with 75K pull-up
Clock
"0":un-normal function
Reset status/PIO internal resister
Direction
PIO
VCC
Fast Ethernet RISC Processor
For internal
For internal
pull-down
pull-up
VCC
Pin
R1610C
October 27, 2003
Final Version 1.5
Data Sheet