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參數(shù)資料
| 型號(hào)： | 101-0433 |
| 廠商： | Rabbit Semiconductor |
| 文件頁(yè)數(shù)： | 87/100頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | BOARD PROTOTYPING FOR RCM2100 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 附件類型： | 原型開發(fā)板 |
| 適用于相關(guān)產(chǎn)品： | RCM2100 |
| 其它名稱： | 101-433 101-433-ND |
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User’s Manual
81
APPENDIX C. POWER SUPPLY
Appendix C provides information on the current and power sup-
ply requirements of the RCM2100, and some background on the
chip select and battery-backup circuits used in power mange-
ment.
C.1 Power Supplies
The RCM2100 requires a regulated 5 V ± 0.25 V DC power source. The RCM2100 design
presumes that the voltage regulator is on the user board, and that the power is made avail-
able to the RCM2100 board through headers J1 and J2.
An RCM2100 with no loading at the outputs operating at 22.1 MHz typically draws
140 mA. The RCM2100 will consume 13 mA to 15 mA of additional current when the
programming cable is used to connect J5 to a PC.
C.1.1 Batteries and External Battery Connections
The RCM2100 does not have a battery, but there is provision for a customer-supplied bat-
tery to back up SRAM and keep the internal Rabbit 2000 real-time clock running.
Header J2, shown in Figure C-1, allows access to the external battery. This header makes
it possible to connect an external 3 V power supply. This allows the SRAM and the inter-
nal Rabbit 2000 real-time clock to retain data with the RCM2100 powered down.
Figure C-1. External Battery Connections
at Header J2
VCC
VRAM
26
29
27
28
GND
VBAT
External
Battery
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 0982660965 | CBL 27PS 0.5MM JMPR TYPE A 1.18" |
| GEC19DRTN-S734 | CONN EDGECARD 38POS DIP .100 SLD |
| 0982660964 | CBL 27PS 0.5MM JMPR TYPE D 1.18" |
| SRR6038-820Y | INDUCTOR POWER 82UH .70A SMD |
| TCMD-22-T-12.00-01-N | CABLE ASSEM 2MM 44POS M-F 12" |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 101-0433-000 | 制造商:ITT Interconnect Solutions 功能描述:INSUL CA-KE18-4P RR / 101-0433-000 / Circular |
| 101-0434 | 功能描述:模塊化系統(tǒng) - SOM RCM2100 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲(chǔ)容量:8 MB, 16 MB 存儲(chǔ)類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 101-0434-000 | 制造商:ITT Interconnect Solutions 功能描述:INSUL CA-KE18-4S FR / 101-0434-000 / Circular |
| 101-0435 | 功能描述:模塊化系統(tǒng) - SOM RCM2110 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲(chǔ)容量:8 MB, 16 MB 存儲(chǔ)類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 101-0435-000 | 制造商:ITT Interconnect Solutions 功能描述:INSUL CA-KE18-4S RR / 101-0435-000 / Circular |
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