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參數資料
| 型號： | CL-SH8665 |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Integrated ATA Drive microcontroller(集成ATA驅動微控制器) |
| 中文描述： | 32-BIT, MROM, RISC MICROCONTROLLER |
| 文件頁數： | 1/4頁 |
| 文件大小： | 161K |
| 代理商： | CL-SH8665 |
CL-SH8665
Preliminary Product Bulletin
June 1998
Integrated ATA
Drive Electronics
The CL-SH8665 is a high-performance, low-cost,
integrated microcontroller, ATA disk controller, and
read channel. The CL-SH8665, flash memory, EDO
DRAM buffer memory, preamplifier, and power driv-
ers comprise a complete drive electronics solution
for ATA disk drives.
The ARM7TDMI 32-bit RISC processor core deliv-
ers high performance in a small core size with low
power consumption. Combining the ARM core with
the DSP-assist logic provides enough bandwidth to
OVERVIEW
FEATURES
Microcontroller
I
ARM7TDMI 32-bit RISC processor
— High-performance RISC core ideal for integration into
disk drive electronics solutions
— Excellent MIPS/die size and MIPS/watt with high code
density and an open architecture
DSP-assist logic
— Rounding, scaling, and saturation operation in hardware
Internal memory
— 4 Kbytes of instruction/data SRAM
— 16 Kbytes of instruction ROM (mask-programmable)
External memory
— 512 Kbytes of addressable memory with up to two
programmable chip selects for flash/ROM/SRAM
Peripherals
— Interrupt controller
— Timers
— UART
— General-purpose I/O
JTAG boundary scan
I
I
I
I
I
(cont.)
(cont.)
System Block Diagram
OSC/PLL/CLOCKS
POWER MGT.
XTAL
SERVO
POWER
DRIVERS
ATA HOST BUS
PREAMP
INTERFACE
23
32
C
SRAM
1K x 32
ARM7TDMI
32-BIT RISC
CPU CORE
A
D
4K x 32
ROM
BD[15:0]
BA[8:0]
BUFFER MEMORY
EXTERNAL
MICROCONTROLLER
MEMORY
MD[15:0]
[BURST]
ROM/FLASH
DSP
SRAM
(OPTIONAL)
CL-SH7656
HDC CORE
INTERRUPT
TIMERS
CUSTOMER-DEFINED
CONTROL LOGIC
CL-SH33XX
READ CHANNEL
JTAG/TEST PORTS
UART
GPIO
23
16
MICROCONTROLLER
BLOCK
EDO DRAM
BUS/MEMORY
CONTROLLER
MA[22:0]
P
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