參數(shù)資料
型號(hào)： MN195007
廠商： PANASONIC CORP
元件分類： 數(shù)字信號(hào)處理
英文描述： 16-BIT, 24.576 MHz, OTHER DSP, PQFP100
封裝： 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁(yè)數(shù)： 7/30頁(yè)
文件大?。?/td> 280K
代理商： MN195007
MN195007 Hardware Specifications
Panasonic Communications Co., Ltd.
-
15 -
i) GPIP[10:17], GPIO[20:27]
I/O port
Pin functions are set by the kind of software that is installed and are not user-
programmable.
Pin No.
Function
Description
I/O
Pin Handling
GPIO[20]
SP0
Out
[21]
SP1
Speaker Control Pins
Output
SP1
SP0
Mute
0
Min
0
1
Mid
1
0
Max
1
Out
Pull-up individually whichever
these pins are used or not
[22]
---
In
[23]
---
In
Pull-up or connect VDD
[24]
SK
E2PROM Serial Clock IN
In
[25]
CS
E2PROM Chip Select IN
In
Using : Pull-up individually
Not Using : Pull-up or connect
VDD
[26]
DI
E2PROM Serial Data IN
In
[27]
DO
E”PROM Serial Data OUT
Out
Pull-up individually whichever
these pins are used or not
GPIO[10:17]
---
In
Pull-up or connect VDD
[ Table 7 ] GPIO Port Assignment
Note :
In case not using these pins, keep “Ping handling” condition set on these
pins as mentioned [ table 7 ]
SP0, SP1, and DO pins are output pin but they become “high Impedance”
condition during “RESET”, so pull-down handling is required to set the
proper level.
Non using terminal is possible to connect VDD directly.
Connectable E2PROM is “FM93C86A” produced by Firechild
2.3.2.3 Serial Interface Mode
a) CI, DTR, DSR, DCD
Signal lines for standard serial interface.
All pins are negative logic.
EIA-232-E asynchronous communication is possible to use these 4 lines together with
other 4 specifically assigned pins “SCTS, SRTS, STXD, and SRXD”.
CI : Call signal detect information to DTE
( to DTE from MN195007 )
DTR : Transmit acceptance information from DTE
( from DTE to MN195007 )
DSR : Transmit acceptance information to DTE
( to DTE from MN195007 )
DCD : Carrier detect information to DTE
( to DTE from MN195007 )
b) GPIP[10:17], GPIO[20:27]
I/O port
Same function as Parallel Interface Mode. Please refer to [ Table 7 ] for mode details.
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