參數(shù)資料
型號(hào): 79RC32H435-400BC
廠商: Integrated Device Technology, Inc.
英文描述: IDTTM InterpriseTM Integrated Communications Processor
中文描述: IDTTM InterpriseTM集成通信處理器
文件頁(yè)數(shù): 3/53頁(yè)
文件大小: 444K
代理商: 79RC32H435-400BC
3 of 53
January 19, 2006
IDT 79RC32435
Memory and I/O Controller
The RC32435 uses a dedicated local memory/IO controller including
a de-multiplexed 8-bit data and 26-bit address bus. It includes all of the
signals required to interface directly to a maximumof four Intel or
Motorola-style external peripherals.
DMA Controller
The DMA controller consists of 6 independent DMA channels, all of
which operate in exactly the same manner. The DMA controller off-loads
the CPU core frommoving data among the on-chip interfaces, external
peripherals, and memory. The controller supports scatter/gather DMA
with no alignment restrictions, making it appropriate for communications
and graphics systems.
UART Interface
The RC32435 contains a serial channel (UART) that is compatible
with the industry standard 16550 UART.
I
2
C Interface
The standard I2C interface allows the RC32435 to connect to a
number of standard external peripherals for a more complete system
solution. The RC32435 supports both master and slave operations.
General Purpose I/O Controller
The RC32435 has 14 general purpose input/output pins. Each pin
may be used as an active high or active low level interrupt or non-
maskable interrupt input, and each signal may be used as a bit input or
output port.
S ystem Integrity Functions
The RC32435 contains a programmable watchdog timer that gener-
ates a non-maskable interrupt (NMI) when the counter expires and also
contains an address space monitor that reports errors in response to
accesses to undecoded address regions.
Thermal Considerations
The RC32435 is guaranteed in an ambient temperature range of 0
°
to +70
°
C for commercial temperature devices and - 40
°
to +85
°
for
industrial temperature devices.
Revision History
January 19, 2006
: Initial publication.
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