参数资料
型号: IBM39STB02101PBA22C
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA352
封装: PLASTIC, BGA-352
文件页数: 35/39页
文件大小: 503K
代理商: IBM39STB02101PBA22C
IBM39STB0210x
Advance
STB0210x Digital Set-Top Box Integrated Controllers
STB02_sds_0327.fm.01
March 27, 2000
Architecture and Subsystem Information
Page 5 of 39
PowerPC 401B3 Host Processor Subsystem
The PowerPC 401B3 (PPC401B3) subsystem handles all system initialization and control and also provides
power and flexibility for product differentiation.
PowerPC 401B3 CPU
The PPC401B3 provides high performance and low power consumption. The CPU executes at sustained
speeds of greater than one cycle per instruction at 54 MHz. Interrupt latency is three cycles, the best time for
critical interrupts.
PPC401B3 Subsystem
RISC Execution Unit
Cache
Timers: PIT, FIT, 64-bit base
Core Clocking
Multiplier/Divider
Thirty-two 32-bit GPRs
CPU
PPC401B3 Processor
PLB Master
Controls
Cache
Controls
8KB
I-cache
Array
Interrupt Controller Interface
Interfaces
UIC
Interrupts
PLB Master
Clocks
Power Mgmt
DCRs
JTAG (See Note)
Note: The JTAG interface is used for development.
16KB
D-cache
Array
Data
Instruction
MMU
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