參數(shù)資料
型號: UPD70F3134AYGJ-UEN
廠商: NEC Corp.
英文描述: 32-Bit Single-Chip Microcontrollers
中文描述: 32位單芯片微控制器
文件頁數(shù): 42/99頁
文件大小: 528K
代理商: UPD70F3134AYGJ-UEN
CHAPTER 3 SPECIFICATIONS OF PCI HOST BRIDGE MACRO
Application Note U17121EJ1V1AN
42
3.4.10 SDRAM_CTL register
After reset: 00070230H R/W Offset address: 48H
31
24 23
16 15
13 12 11 10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
CYCLE_LATENCY
0
0
0
B
0
0
C
0
0
W
0
0
C
Bit Name
R/W
Function
CYCLE_LATENCY
R/W
Sets the latency for successive main memory (SDRAM) accesses from the PCI device.
A latency of up to 7,650 ns can be set.
00H: No latency
01H: 1 PCI clock (30 ns)
:
FFH: 255 PCI clocks (7,650 ns)
BUS_SIZE
R/W
Sets the bit width of the data bus.
0: 16-bit width
1: 32-bit width
CAS_LATENCY
R/W
Sets the CAS latency.
00: Setting prohibited
01: 1
10: 2
11: 3
WAIT_STATE
R/W
Sets the wait interval of ACT
CMD, PRE
ACT, and CMD
ACT.
00: Setting prohibited
01: 1 clock
10: 2 clocks
11: 3 clocks
COLUMN_SIZE
R/W
Sets the bit width of the column address.
00: 8-bit width
01: 9-bit width
10: 10-bit width
11: 11-bit width
相關(guān)PDF資料
PDF描述
UPD71088C-10 System Bus Controller
UPD71088C-8 System Bus Controller
UPD71088G-8 System Bus Controller
UPD71088 System Bus Controller
UPD720110 MOS INTEGRATED CIRCUIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD70F3134BYGJ-UEN-A 制造商:Renesas Electronics 功能描述:Cut Tape 制造商:Renesas 功能描述:MCU 32-bit V850E RISC 512KB Flash 3.3V 144-Pin LQFP
UPD70F3134GJ-UEN 制造商:Renesas Electronics Corporation 功能描述:
UPD70F3134GJ-UEN-A 制造商:Renesas Electronics Corporation 功能描述:
UPD70F3166 制造商:未知廠家 制造商全稱:未知廠家 功能描述:V850 Series Pamphlet | Pamphlet[02/2002]
UPD70F3166Y 制造商:未知廠家 制造商全稱:未知廠家 功能描述:V850 Series Pamphlet | Pamphlet[02/2002]