參數(shù)資料
型號(hào)： UPD70433R-12
廠商： NEC Corp.
元件分類： 16位微控制器
英文描述： V55PITM 16-BIT MICROPROCESSOR
中文描述： V55PITM 16位微處理器
文件頁數(shù)： 16/166頁
文件大?。?/td> 772K
代理商： UPD70433R-12
16
μ
PD70433
3.
CPU FUNCTIONS
The CPU of the V55PI is software upword compatible with the V20 and V30 (native mode), and the V25 and V35.
3.1
FEATURES
Software upward compatible with V20 & V30 (native mode) and V25 & V35 (includes additional instructions)
Minimum instruction cycle: 160 ns/12.5 MHz (external 25 MHz clock)
125 ns/16 MHz (external 32 MHz clock)
Address space: 16M bytes
1M-byte basic memory (program) space
16M-byte extended memory (data) space
Register file space (in on-chip RAM): 512 bytes/16 register banks
I/O space: 64K bytes
Register configuration (compared with V20/V30 and V25/V35)
Internal 16-bit architecture, switchable external data bus width (16/8 bits)
Automatic wait control with memory divided in variable sizes (max. 6 blocks)
Programmable wait function
Wait function using READY pin
Refresh function
Automatic generation of refresh cycle (RAS only)
RAS pin functions
RAS pin
→
DRAM RAS timing
RD, WRH, WRL pins
→
DRAM CAS timing
ASTB pin
→
DRAM row/column address switching timing
PSW
None
IBRK
IBRK
Item
V20, V30
V25, V35
V55PI
Extended segment register
None
None
DS2, DS3
Register bank
None
8 banks (in memory space)
16 banks (in register file space)
Mode flag
MD
None
None
Register bank flags
None
RB0 to RB2
RB0 to RB3
Input/output instruction
trap flag
User flag
None
F0, F1
None
240 bytes
496 bytes
Special function register area
None
(memory mapping onto
FFF00H to FFFEFH)
(memory mapping onto
FFE00H to FFFEFH)
相關(guān)PDF資料
PDF描述
UPD70433R-16 V55PITM 16-BIT MICROPROCESSOR
UPD70433GD-12-5BB V55PITM 16-BIT MICROPROCESSOR
UPD70433GD-16-5BB V55PITM 16-BIT MICROPROCESSOR
UPD70433GJ-12-3EB V55PITM 16-BIT MICROPROCESSOR
UPD70433GJ-16-3EB V55PITM 16-BIT MICROPROCESSOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD70433R-16 制造商:NEC 制造商全稱:NEC 功能描述:V55PITM 16-BIT MICROPROCESSOR
UPD705100 制造商:NEC 制造商全稱:NEC 功能描述:V830TM 32-BIT MICROCONTROLLER
UPD705100GJ-100-8 制造商:NEC 制造商全稱:NEC 功能描述:V830TM 32-BIT MICROCONTROLLER
UPD705100GJ-100-8EU 制造商:NEC 制造商全稱:NEC 功能描述:V830TM 32-BIT MICROCONTROLLER
UPD705101 制造商:NEC 制造商全稱:NEC 功能描述:32-BIT MICROPROCESSOR
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