參數(shù)資料
型號: LPC2294JBD144,551
廠商: NXP Semiconductors
文件頁數(shù): 40/54頁
文件大?。?/td> 0K
描述: IC ARM7 MCU FLASH 256K 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: LPC2200
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 60MHz
連通性: CAN,EBI/EMI,I²C,Microwire,SPI,SSI,SSP,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 112
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 105°C
封裝/外殼: 144-LQFP
包裝: 托盤
配用: OM10091-ND - KIT DEV PHYCORE-ARM7/LPC2220
568-1757-ND - BOARD EVAL FOR LPC220X ARM MCU
其它名稱: 568-1898
935275728551
LPC2294JBD144-S
LPC2292_2294
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 8 June 2011
45 of 54
NXP Semiconductors
LPC2292/2294
16/32-bit ARM microcontrollers with external memory interface
[1]
Except on initial access, in which case the address is set up Tcy(CCLK) earlier.
[2]
Tcy(CCLK) = 1CCLK.
[3]
Latest of address valid, CS LOW, OE LOW to data valid.
[4]
Address valid to data valid.
[5]
Earliest of CS HIGH, OE HIGH, address change to data invalid.
[1]
See the LPC2119/2129/2194/2292/2294 User Manual for a description of the WSTn bits.
tBLSHDNV
BLS HIGH to data invalid
time
T
cy(CCLK)) 5-
(2
T
cy(CCLK))+5
ns
tCHDV
XCLK HIGH to data valid
time
--
10
ns
tCHWEL
XCLK HIGH to WE LOW
time
--
10
ns
tCHBLSL
XCLK HIGH to BLS LOW
time
--
10
ns
tCHWEH
XCLK HIGH to WE HIGH
time
--
10
ns
tCHBLSH
XCLK HIGH to BLS HIGH
time
--
10
ns
tCHDNV
XCLK HIGH to data invalid
time
--
10
ns
Table 12.
External memory interface dynamic characteristics …continued
CL =25 pF, Tamb =40 C
Symbol
Parameter
Conditions
Min
Typ Max
Unit
Table 13.
Standard read access specifications
Access cycle
Max frequency
WST[1] setting
WST
0; round up to
integer
Memory access time requirement
standard read
standard write
burst read - initial
burst read - subsequent 3
N/A
f
MAX
2WST1
+
t
RAM
20 ns
+
--------------------------------
WST1
t
RAM
20 ns
+
t
cy CCLK
--------------------------------
2
t
RAM
t
cy CCLK
2WST1
+
20 ns
f
MAX
1WST2
+
t
WRITE
5 ns
+
----------------------------------
WST2
t
WRITE
t
CYC
5
+
t
cy CCLK
-------------------------------------------
t
WRITE
t
cy CCLK
1WST2
+
5 ns
f
MAX
2WST1
+
t
INIT
20 ns
+
--------------------------------
WST1
t
INIT
20 ns
+
t
cy CCLK
--------------------------------
2
t
INIT
t
cy CCLK
2WST1
+
20 ns
f
MAX
1
t
ROM
20 ns
+
---------------------------------
t
ROM
t
cy CCLK
20 ns
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