TM
IDT79RC32134
RISCore32300 Family
System Controller Chip
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8/16/ or 32-bit interface per bank
Supports Flash ROM, SRAM, dual-port memory, and periph-
eral devices
Intel or Motorola style IO supports external wait-state genera-
tion
Features
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RC32300-family System Controller
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Direct connection between RC32364 and RC32134
Up to 75 MHz operation
Drives latched address bus to memory and peripherals
Direct control of optional external data buffers
Programmable system watch-dog timers
Big or Little endian support
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4 DMA Channels
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4 general purpose DMA, each with Endianness swappers and
byte lane data alignment
Any channel can be used for PCI
Supports memory-to-memory, memory-to-I/O,memory-to-
PCI, PCI-to-PCI, I/O-to-I/O transfers, and I/O support of
scatter/gather
Supports chaining via linked lists of records
Supports unaligned transfers
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Interrupt Control
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Provides services for internal and external sources
Allows status of each interrupt to be read and masked
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Three general purpose 32-bit timer/counters
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Programmable IO (PIO)
Supports burst transfers
Programmable burst size
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Input/Output/Interrupt source
Individually programmable
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PCI Bridge
SDRAM/EDODRAM Controller (32-bit memory only)
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32-bit PCI, up to 33 MHz
Revision 2.1 compliant
Target and master
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4 banks, non-interleaved, 256 MB total
Automatic refresh generation
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UART Interface
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Host or satellite
Two 16550 Compatible UARTs
Baud rate support up to 1.5M
Three slot PCI arbiter, on-chip
Serial EEPROM support, for loading configuration
registers
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8/16/32-bit boot PROM support
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Boundary Scan JTAG Interface (IEEE Std. 1149.1
compatible)
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3.3V core operation
3.3V I/O operation with 5V tolerant I/O
208 pin PQFP package
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Memory & Peripheral Controller
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6 banks, up to 8MB per bank
Block Diagram
Data & Address bus
CPU I/F
Timer, UART,
Interrupt Modules
SDRAM/EDODRAM Control
EDO/SDRAM
Control
Memory &
I/O Control
Memory I/O
Control
DMA Channels
RC32134
PCI I/F and Bridge
PCI Bus
The IDT logo is a registered trademark. RC64145, RC64474, RC64475, RC32134, RC4600, RC4640, RC4650, RC4700, RC3041, RC3051, RC3052, RC3081, RISController, and RISCore are trademarks of Inte-
grated Device Technology, Inc.
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April 9, 2001
DSC 5602
2000 Integrated Device Technology, Inc.