參數(shù)資料
型號: EM78810
廠商: ELAN Microelctronics Corp .
英文描述: 8-Bit Micro-Controller for Telecom Product(工作電壓2.5V-6V的8位呼叫識別的RISC型微控制器)
中文描述: 8位微控制器的電信產(chǎn)品(工作電壓為2.5V到6V的8位呼叫識別的的RISC型微控制器)
文件頁數(shù): 7/31頁
文件大?。?/td> 191K
代理商: EM78810
7
* This specification are subject to be changed without notice.
9.30.1997
EM78810
8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
EVENT
POWER UP
WDT TIME OUT
SLEP INSTRUCTION
WDTC INSTRUCTION
T
1
0
1
1
0
0
1
1
x
P
1
x
0
1
0
1
0
1
x
REMARK
x=DON"T CARE
WDT wake up from sleep mode
WDT time out (not sleep mode
/RESET wake up from sleep
power up
Low pulse on /RESET
PS2
0
0
0
0
1
1
1
1
PS1
0
0
1
1
0
0
1
1
PS0
0
1
0
1
0
1
0
1
Program memory page (Address)
Page 0 ( 0000 - 03FF )
Page 1 ( 0400 - 07FF )
Page 2 ( 0800 - 0BFF )
Page 3 ( 0C00 - 0FFF )
Page 4 (1000 - 13FF )
Page 5 ( 1400 - 17FF )
Page 6 ( 1800 - 1BFF )
Page 7 ( 1C00 - 1FFF )
R4
( RAM Select Register )
Bit 0 ~ 5 are used to select up to 64 register in the indirect addressing mode.
Bit 6 ~ 7 determine which bank is actived among the 4 banks.
See the configuration of the data memory in Fig.4.
R5 ~ R9
( Port 5 ~ Port 9 )
Five 8-bit I/O registers.
RA
( FSK Status Register )(bit 0,1,2,4 read only)
7
6
5
4
3
2
1
0
LCD-F
/358E
/LPD
/LOW-BAT
/FSKPWR
DATA
/CD
/RD
Bit0 (Read Only) (Ring detect signal)
0/1 : Ring Valid/Ring Invalid
Bit1(Read Only)(Carrier detect signal)
0/1 : Carrier Valid/Carrier Invalid
Bit2(Read Only)(FSK demodulator output signal)
Fsk data transmitted in a baud rate 1200 Hz.
Bit3(read/write)(FSK block power up signal)
1/0 : FSK demodulator block power up/FSK demodulator power down
The relation between Bit0 to Bit3 is shown in Fig.6.
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