RDC R2886

RDC®
R2886
RISC DSP Communication
FAST ETHERNET RISC PROCESSOR
R2886
Brief Sheet
FAST ETHERNET RISC PROCESSOR
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
1 of
5
REV
1.0
Aug.25 2006
RDC®
R2886
RISC DSP Communication
FAST ETHERNET RISC PROCESSOR
1. Features
- The character options are programmable for 1 start
l CPU Core
bit; 1, 1.5 or 2 stop bits; even, odd or no parity, 5~8
- RDC’s proprietary RISC architecture
data bits
- Five-stage pipeline architecture
- Operation frequency: 150MHz
l RDC Debug Tool Support
- Supports a 16K-byte uniform cache
- RDC debug tool with a JTAG-like interface
l ROM/RAM/SDRAM Controller and Addressing
l General Programmable I/O
- 64 programmable I/O ports
Space
- Supports 16-bit data bus width
- Pins individually configurable to input or output
- Flash ROM/SRAM control interface
mode
- SDRAM control interface
l Two 10/100M Fast Ethernet MAC Ports
- 16M addressing space
- IEEE 802.3u MII interface
- 64K-byte I/O space
- IEEE 802.3x flow control in full-duplex mode
l Two Independent DMA Controllers
- Internal loop-back self-test circuit support
- Supports high-speed DMA transfers
- Descriptor architecture for packet TX/RX
l Interrupt Controller
l PCI Control Interface Support
- Provides 8 maskable external interrupt channels
- Supports up to 3 PCI masters
- Speed up to 33MHz
l Counter/Timers
- Three independent programmable 16-bit timers
l Two Card Bus Interface Support
- One programmable watchdog timer which can
l Two USB 2.0 Host Port Support
generate NMI or reset
- Supports HS, FS and LS
l High Performance UART Ports
l Package Type
- Supports 2 high performance UARTs with
- With 128-pin PQFP & LFBGA-225 package type
send/receive 16-byte FIFOs
- Programmable baud rate generator
l A Green Product
- The data rates are programmable from 50 to
460.8K baud (max. to 1Mbps)
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
2 of
5
REV
1.0
Aug.25 2006
RDC®
R2886
RISC DSP Communication
FAST ETHERNET RISC PROCESSOR
VCC
GND
X1
INT0
INT1
INT2
INT3
INTB_n
X2
INTA_n
SD_CLK
PCICLK
CLKOUTA
2. Block Diagram
DRQ0/INT5 DRQ1/INT6
Interrupt
Controller
Unit
Clock & Power
Management Uuit
Timer
Controller
Unit
DMA
Controller
Unit
RST_n
Reset Unit
MAC 0
MII 0
MAC 1
MII 1
PCIRST_n
UCS_n
MCS_n
PCS0_n
PCS1_n
PCS2_n
PCS3_n
PCS5_n
PCS6_n
RDC
RISC CPU
Chip
Select
Unit
16K-B yte
L1 Cache
P CI Target
RAS_n
WE_n
DQMH
SDRAM/B us Interface
Unit
P CI Configuration
Register
PCI Bus Interface
P CI Master
Refresh
Control Unit
CAS_n
16550 UART
Serial Port 0
UART0
16550 UART
Serial Port 1
UART1
ARDY
IOR_n
IOW_n
WR_n
RD_n
D[15:0]
BA[1:0]
A[22:0]
Port 0
DP0, DM0
Port 1
DP1, DM1
USB 2.0
Host
P CI Arbiter
DQML
PIO[63:0]
PIO Unit
PCIBus
OVRCUR_n
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
3 of
5
REV
1.0
Aug.25 2006
RDC®
R2886
RISC DSP Communication
FAST ETHERNET RISC PROCESSOR
3. Package Information
PQFP 208 pins
31.20mm
28.00mm
PIN 1
IDENTIFIER
1.60mm (REF)
e
0.5mm (BSC)
b
0.17~0.27mm
A2 = 3.20~3.60mm
A2 A A = 4.10mm (Max.)
A1
0.11~0.23mm
A1 = 0.25mm (Min.)
4.10mm (Max.)
3.20~3.60mm
DETAIL A
1.60mm
0.25mm
0.88 ± 0.15mm
DETAIL A
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
4 of
5
REV
1.0
Aug.25 2006
RDC®
R2886
RISC DSP Communication
FAST ETHERNET RISC PROCESSOR
LFBGA 225 balls Package Drawing
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
5 of
5
REV
1.0
Aug.25 2006