參數(shù)資料
型號(hào)： 20-101-0383
廠商： Rabbit Semiconductor
文件頁(yè)數(shù)： 22/80頁(yè)
文件大?。?/td> 0K
描述： MODULE RABBITCORE RCM2020
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore®
模塊/板類型： MPU 核心模塊
適用于相關(guān)產(chǎn)品： RCM2020
產(chǎn)品目錄頁(yè)面： 620 (CN2011-ZH PDF)
其它名稱： 316-1082
User’s Manual
25
The ports on the Rabbit 2000 microprocessor used in the RCM2000 are configurable, and
so the factory defaults can be reconfigured. Table 2 lists the Rabbit 2000 factory defaults
and the alternate configurations.
Table 2. RCM2000 Pinout Configurations
Pin
Pin Name
Default Use
Alternate Use
Notes
He
ad
er
J1
1, 20
GND
2VCC
3–10
PA[0:7]
Parallel I/O
Slave port data bus
SD0–SD7
11
PB0
Input
Serial port clock CLKB
12
PB1
Input
Serial port clock CLKA
CLKA is connected to
programming port (header
J3, pin 3)
13
PB2
Input
Slave port write /SWR
14
PB3
Input
Slave port read /SRD
15
PB4
Input
SA0
Slave port address lines
16
PB5
Input
SA1
17
PB6
Output
18
PB7
Output
Slave port attention line
/SLAVEATTN
19
PCLK
Output (Internal Clock)
Output
Turned off in software
21–28
D[7:0]
Input/Output
Rabbit 2000 data bus
29
PE7
Bitwise or parallel
programmable I/O
I7 output or slave port chip
select /SCS
30
PE6
I6 output
31
PE5
I5 output or INT1B input
32
PE4
I4 output or INT0B input
33
PE3
I3 output
34
PE2
I2 output
35
PE1
I1 output or INT1A input
36
PE0
I0 output or INT0A input
37
/IOWR
Output (I/O write strobe)
38
/IORD
Output (I/O read strobe)
39
/BUFEN
Output (I/O buffer enable)
40
/WDO
Output (Watchdog output)
May also be used to output
a 30 s pulse
Outputs a pulse when the
internal watchdog times
out
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