R1610C RDC Semiconductor, R1610C Datasheet - Page 16

• 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
● Power PINs
Notes:
1. When the PIO Data register is enabled, the 18 MUX definition pins can be used as a PIO pin. For example, the
2. The PIO status during Power-On reset:
3. In Slow Bus Mode (Bus Mode 0):
4. In Normal Bus Mode (Bus Mode 1):
5. Change Bus Mode 0 and Bus Mode 1 by means of setting the internal Bus Control Register. This action must
18,45,65,75,
R
7,40,83,101
1,36,55,73,
91,99,123
81,98,113
23,59,97,
16
PIN No.
PIO29/UARTX0 (Pin 42) can be used as a PIO29 when the PIO Data register is enabled.
(1) PIO1 and PIO10 are inputs with pull-down.
(2) PIO7 and PIO9 are normal operations.
(3) Other PIOs are inputs with pull-up.
I/O bus is mapped to SAD [15:0] or SAD [7:0]. It depends on the hardware setting of DTR1_n/SBWSEL Pin
(Pin 28) during power-on reset to select 16-bit mode or 8-bit mode.
Memory bus is mapped to A [10:0]/D [15:0].
I/O bus and Memory bus are all mapped to A [19:0] and D [15:0]. The SAD [15:0] bus is inactive in this mode.
be initialized by software.
121
63
62
D
D
3
2
C
C
®
®
R
R
I
I
S
S
C
C
Symbol
VDDP1
VDDP2
D
D
VDDIO
VSSP1
VSSP2
VSSIO
VDDC
VSSC
S
S
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
Type
I
I
I
I
I
I
I
I
I/O power pin, pure 3.3V.
I/O ground pin.
Core power pin, pure 2.5V.
Core ground pin.
De-skew PLL power pin, pure 2.5V.
De-skew PLL ground pin.
Multiple PLL power pin, pure 2.5V.
Multiple PLL ground pin.
Fast Ethernet RISC Processor
Description
R1610C
October 27, 2003
Final Version 1.5
Data Sheet