参数资料
型号: TMDXBDKFP5515
厂商: Texas Instruments
文件页数: 98/159页
文件大小: 0K
描述: KIT DEV FINGERPRINT C5515
标准包装: 1
传感器类型: 指纹
接口: USB
电源电压: 5V
嵌入式: 是,MCU,16 位
已供物品: 板,扩展板,线缆,迷你型 DVD,传感器
已用 IC / 零件: C5515
产品目录页面: 718 (CN2011-ZH PDF)
其它名称: 296-27452
SPRS645F – AUGUST 2010 – REVISED OCTOBER 2013
Table 5-19. Switching Characteristics Over Recommended Operating Conditions for EMIF Asynchronous Memory (1) (2)
CV DD = 1.3 V
(3) (4)
NO.
PARAMETER
MIN
DV DDEMIF = 3.3/2.75/2.5/1.8 V
NOM
MAX
UNIT
READS and WRITES
1
t d(TURNAROUND)
Turn around time
(TA)*E - 7.5
(TA)*E
(TA)*E + 7.5
ns
READS
3
4
5
6
7
8
9
10
11
t c(EMRCYCLE)
t su(EMCSL-EMOEL)
t h(EMOEH-EMCSH)
t su(EMBAV-EMOEL)
t h(EMOEH-EMBAIV)
t su(EMAV-EMOEL)
t h(EMOEH-EMAIV)
t w(EMOEL)
t d(EMWAITH-EMOEH)
EMIF read cycle time (EW = 0)
EMIF read cycle time (EW = 1)
Output setup time, EM_CS[5:2] low to EM_OE low (SS = 0)
Output setup time, EM_CS[5:2] low to EM_OE low (SS = 1)
Output hold time, EM_OE high to EM_CS[5:2] high (SS = 0)
Output hold time, EM_OE high to EM_CE[5:2] high (SS = 1)
Output setup time, EM_BA[1:0] valid to EM_OE low
Output hold time, EM_OE high to EM_BA[1:0] invalid
Output setup time, EM_A[20:0] valid to EM_OE low
Output hold time, EM_OE high to EM_A[20:0] invalid
EM_OE active low width (EW = 0)
EM_OE active low width (EW = 1)
Delay time from EM_WAITx deasserted to EM_OE high
(RS+RST+RH)*E - 7.5
(RS+RST+RH+(EWC*16))*E - 7.5
(RS)*E - 7.5
-7.5
(RH)*E - 7.5
-7.5
(RS)*E - 7.5
(RH)*E - 7.5
(RS)*E - 7.5
(RH)*E - 7.5
(RST)*E - 7.5
(RST+(EWC*16))*E - 7.5
4E - 7.5
(RS+RST+RH)*E
(RS+RST+RH+(EWC*16))*E
(RS)*E
0
(RH)*E
0
(RS)*E
(RH)*E
(RS)*E
(RH)*E
(RST)*E
(RST+(EWC*16))*E
4E
(RS+RST+RH)*E + 7.5
(RS+RST+RH+(EWC*16))*E + 7.5
(RS)*E + 7.5
+7.5
(RH)*E + 7.5
+7.5
(RS)*E + 7.5
(RH)*E + 7.5
(RS)*E + 7.5
(RH)*E + 7.5
(RST)*E + 7.5
(RST+(EWC*16))*E + 7.5
4E + 7.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
WRITES
EMIF write cycle time (EW = 0)
(WS+WST+WH)*E - 7.5
(WS+WST+WH)*E
(WS+WST+WH)*E + 7.5
ns
15
16
17
18
19
20
21
t c(EMWCYCLE)
t su(EMCSL-EMWEL)
t h(EMWEH-EMCSH)
t su(EMBAV-EMWEL)
t h(EMWEH-EMBAIV)
t su(EMAV-EMWEL)
t h(EMWEH-EMAIV)
EMIF write cycle time (EW = 1)
Output setup time, EM_CS[5:2] low to EM_WE low (SS = 0)
Output setup time, EM_CS[5:2] low to EM_WE low (SS = 1)
Output hold time, EM_WE high to EM_CS[5:2] high (SS = 0)
Output hold time, EM_WE high to EM_CS[5:2] high (SS = 1)
Output setup time, EM_BA[1:0] valid to EM_WE low
Output hold time, EM_WE high to EM_BA[1:0] invalid
Output setup time, EM_A[20:0] valid to EM_WE low
Output hold time, EM_WE high to EM_A[20:0] invalid
(WS+WST+WH+(EWC*16))*E -
7.5
(WS)*E - 7.5
-7.5
(WH)*E - 7.5
-7.5
(WS)*E - 7.5
(WH)*E - 7.5
(WS)*E - 7.5
(WH)*E - 7.5
(WS+WST+WH+(EWC*16))*E
(WS)*E
0
(WH)*E
0
(WS)*E
(WH)*E
(WS)*E
(WH)*E
(WS+WST+WH+(EWC*16))*E +
7.5
(WS)*E +7. 5
+7.5
(WH)*E + 7.5
+7.5
(WS)*E + 7.5
(WH)*E + 7.5
(WS)*E + 7.5
(WH)*E + 7.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
(1)
(2)
(3)
(4)
Timing parameters are obtained with 10pF loading on the EMIF pins.
TA = Turn around, RS = Read setup, RST = Read strobe, RH = Read hold, WS = Write setup, WST = Write strobe, WH = Write hold, MEWC = Maximum external wait cycles. These
parameters are programmed via the Asynchronous Configuration and Asynchronous Wait Cycle Configuration Registers.
E = SYSCLK period in ns. For example, when SYSCLK is set to 100/120 MHz, E = 10/8.33 ns, respectively.
EWC = external wait cycles determined by EM_WAITx input signal. EWC supports the following range of values EWC[256-1]. Note that the maximum wait time before timeout is specified
by bit field MEWC in the Asynchronous Wait Cycle Configuration Register.
98
Peripheral Information and Electrical Specifications
Product Folder Links: TMS320C5515
Copyright ? 2010–2013, Texas Instruments Incorporated
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