參數(shù)資料
型號(hào): M38837G6HP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁(yè)數(shù): 42/81頁(yè)
文件大?。?/td> 766K
代理商: M38837G6HP
Rev.1.00
Oct 26, 2004
page 47 of 79
3883 Group
Fig. 46 Data bus buffer control register
Fig. 45 LPC control register
LPC control register
Bit name
Function
Bit symbol
W
R
SYNCSEL
SYNC output select bit
00:OK
01:Long & OK
10:Err
11:Long & Err
0 : Reset release(automatic)
1 : Reset
LPC interface software reset bit
LPCSR
b7
b6
b5
b4
b3
b2
b1
b0
Cannot write to this bit.
Returns "0"when read.
Symbol
Address
When reset
LPCCON
002A16
000000002
0 : P80 to P86 as port
1 : LPC interface enable
LPC interface enable bit
LPCEN
0 : Data bus buffer 0 disable
1 : Data bus buffer 0 enable
Data bus buffer 0 enable bit
DBBEN0
0 : Data bus buffer 1 disable
1 : Data bus buffer 1 enable
Data bus buffer 1 enable bit
DBBEN1
Data bus buffer status register i (i = 0, 1)
Bit name
Function
Bit symbol
W
R
OBFi
Output buffer full flag
0 : Buffer empty
1 : Buffer full
0 : Buffer empty
1 : Buffer full
This flag indicates the A2
status when IBFi flag is set.
Input buffer full flag
User definable flag
XA2i flag
IBFi
U2i
XA2i
b7
b6
b5
b4
b3
b2
b1
b0
U4i
U5i
U6i
U7i
User definable flag
This flag can be freely defined
by user.
This flag can be freely defined
by user.
Symbol
Address
When reset
DBBSTS0
002916
000000002
DBBSTS1
002C16
000000002
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