参数资料
型号: LPC2294HBD144,551
厂商: NXP Semiconductors
文件页数: 39/54页
文件大小: 0K
描述: IC ARM7 MCU FLASH 256K 144-LQFP
标准包装: 60
系列: LPC2200
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 60MHz
连通性: CAN,EBI/EMI,I²C,Microwire,SPI,SSI,SSP,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 112
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 3.6 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 144-LQFP
包装: 托盘
配用: OM10091-ND - KIT DEV PHYCORE-ARM7/LPC2220
568-1757-ND - BOARD EVAL FOR LPC220X ARM MCU
其它名称: 568-2383
935278705551
LPC2294HBD144-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
44 of 54
NXP Semiconductors
LPC2292/2294
16/32-bit ARM microcontrollers with external memory interface
Table 12.
External memory interface dynamic characteristics
CL =25 pF, Tamb =40 C
Symbol
Parameter
Conditions
Min
Typ Max
Unit
Common to read and write cycles
tCHAV
XCLK HIGH to address valid
time
--
10
ns
tCHCSL
XCLK HIGH to CS LOW time
-
10
ns
tCHCSH
XCLK HIGH to CS HIGH
time
--
10
ns
tCHANV
XCLK HIGH to address
invalid time
--
10
ns
Read cycle parameters
tCSLAV
CS LOW to address valid
time
5-
+10
ns
tOELAV
OE LOW to address valid
time
5-
+10
ns
tCSLOEL
CS LOW to OE LOW time
5-
+5
ns
tam
memory access time
[2][3] (Tcy(CCLK) (2 + WST1)) +
(
20)
--
ns
tam(ibr)
memory access time (initial
burst-ROM)
[2][3] (Tcy(CCLK) (2 + WST1)) +
(
20)
--
ns
tam(sbr)
memory access time
(subsequent burst-ROM)
[2][4] Tcy(CCLK) +(20)
-
ns
th(D)
data input hold time
-
ns
tCSHOEH
CS HIGH to OE HIGH time
5-
+5
ns
tOEHANV
OE HIGH to address invalid
time
5-
+5
ns
tCHOEL
XCLK HIGH to OE LOW time
5-
+5
ns
tCHOEH
XCLK HIGH to OE HIGH
time
5-
+5
ns
Write cycle parameters
tAVCSL
address valid to CS LOW
time
[1] Tcy(CCLK) 10
-
ns
tCSLDV
CS LOW to data valid time
5-
+5
ns
tCSLWEL
CS LOW to WE LOW time
5-
+5
ns
tCSLBLSL
CS LOW to BLS LOW time
5-
+5
ns
tWELDV
WE LOW to data valid time
5-
+5
ns
tCSLDV
CS LOW to data valid time
5-
+5
ns
tWELWEH
WE LOW to WE HIGH time
[2] Tcy(CCLK) (1 + WST2) 5-
Tcy(CCLK) (1 +
WST2) + 5
ns
tBLSLBLSH
BLS LOW to BLS HIGH time
[2] Tcy(CCLK) (1 + WST2) 5-
Tcy(CCLK)
(1 + WST2) + 5
ns
tWEHANV
WE HIGH to address invalid
time
[2] Tcy(CCLK) 5-
Tcy(CCLK) +5
ns
tWEHDNV
WE HIGH to data invalid time
T
cy(CCLK)) 5-
(2
T
cy(CCLK))+5
ns
tBLSHANV
BLS HIGH to address invalid
time
[2] Tcy(CCLK) 5-
Tcy(CCLK) +5
ns
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