參數(shù)資料
型號: 101-0452
廠商: Rabbit Semiconductor
文件頁數(shù): 69/100頁
文件大?。?/td> 0K
描述: KIT DEV RABBIT RCM2100 INTL
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore 2000
主要目的: *
嵌入式: *
已用 IC / 零件: HYDRA
主要屬性: *
次要屬性: *
已供物品: HYDRA 裝置,存儲卡,空白試驗卡,鼠標(biāo),鍵盤,游戲鍵盤,視頻和 USB 線纜,電源和 CD 等
64
RabbitCore RCM2100
A.2 Bus Loading
You must pay careful attention to bus loading when designing an interface to the Rabbit-
Core RCM2100. This section provides bus loading information for external devices.
Table A-2 lists the capacitance for the various RCM2100 I/O ports.
Table A-3 lists the external capacitive bus loading for the various RCM2100 output ports.
Be sure to add the loads for the devices you are using in your custom system and verify
that they do not exceed the values in Table A-3.
Table A-2. Capacitance of RCM2100 I/O Ports
I/O Ports
Input Capacitance
Output Capacitance
Typ.
Max.
Typ.
Max.
Parallel Ports A to E
6 pF
12 pF
10 pF
14 pF
Data Lines BD0–BD7
12 pF
18 pF
22 pF
Address Lines BA0–BA12
8 pF
12 pF
Table A-3. External Capacitive Bus Loading -40°C to +70°C
Output Port
Clock Speed
(MHz)
Maximum External
Capacitive Loading (pF)
A[12:0]
D[7:0]
22.1
50
PD[3:0]
22.1
100
PA[7:0]
PB[7,6]
PC[6,4,2,0]
PD[7:4]*
PE[7:0]
* The Parallel Port D outputs (PD[7:4]) are available only on the
RCM2120 and the RCM2130 models.
22.1
90
All data, address, and I/O
lines with clock doubler
disabled
11.0592
100
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