参数资料
型号: 20-101-1217
厂商: Rabbit Semiconductor
文件页数: 67/138页
文件大小: 0K
描述: MODULE RABBITCORE RCM3229
标准包装: 50
系列: RabbitCore®
模块/板类型: MPU 核心模块
适用于相关产品: RCM3229
产品目录页面: 620 (CN2011-ZH PDF)
其它名称: 316-1146
28
RabbitCore RCM3200
Notes
1. When using pins 33–34 on header J1 to drive LEDs, you must use an external buffer to
drive these external LEDs. These pins are not connected on the RCM3220, which does
not have the LEDs installed.
2. The VRAM voltage is temperature-dependent. If the VRAM voltage drops below about
1.2 V to 1.5 V, the contents of the battery-backed SRAM may be lost. If VRAM drops
below 1.0 V, the 32 kHz oscillator could stop running. Pay careful attention to this volt-
age if you draw any current from this pin.
Locations R45, R46, R53, R57, and R74 allow the population of 0
resistors (jumpers)
that will be used to enable future options. These locations are currently unused.
Head
er
J
2
20
PG7
Input/Output
RXE
Serial Port E
21
PG6
Input/Output
TXE
22
PG5
Input/Output
RCLKE
Serial Clock E input
23
PG4
Input/Output
TCLKE
Serial Clock E ouput
24
/IOWR
Output
External write strobe
25
/IORD
Output
External read strobe
26–27
SMODE0,
SMODE1
(0,0)—start executing at address zero
(0,1)—cold boot from slave port
(1,0)—cold boot from clocked Serial Port A
SMODE0 =1, SMODE1 = 1
Cold boot from asynchronous Serial Port A at
2400 bps (programming cable connected)
Also connected to
programming cable
28
/RESET_IN
Input
Input to Reset Generator
29
VRAM
Output
See Notes below table
30
VBAT_EXT
3 V battery Input
Minimum battery
voltage 2.85 V
31
+3.3V
Input
3.15–3.45 V DC
32
GND
33
n.c.
Reserved for future use
34
GND
Table 2. RCM3200 Pinout Configurations (continued)
Pin
Pin Name
Default Use
Alternate Use
Notes
相关PDF资料
PDF描述
20-101-0494 MODULE RABBITCORE RCM2250
AT25020N-10SI-2.7 IC EEPROM 2KBIT 2.1MHZ 8SOIC
345-030-521-801 CARDEDGE 30POS DUAL .100 GREEN
12FMN-BMTTN-A-TF CONN FMN HSNG 12POS STAG NOR SMD
AT25020-10PI-2.7 IC EEPROM 2KBIT 2.1MHZ 8DIP
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