參數(shù)資料
型號(hào): M38837G6HP
元件分類: 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): 48/81頁(yè)
文件大?。?/td> 766K
代理商: M38837G6HP
Rev.1.00
Oct 26, 2004
page 52 of 79
3883 Group
Fig. 50 Reset timing and block
Table 16 Reset conditions of LPC interface function
Pin name / Internal register
P80/LAD0
P81/LAD1
P82/LAD2
P83/LAD3
P84/LFRAME
P85/LRESET
P86/LCLK
Input data bus buffer registeri
Output data bus buffer registeri
Uxi flag 7, 6, 5, 4, 2
XA2i flag
IBFi flag
OBFi flag
LPCi address register
LPCCON
LRESET = “L”
3-state
Input
LPC bus interface function
Input
Keep same value before
LRESET goes “L”.
Initialization to “0”.
Keep same value before
LRESET goes “L”.
Note
There is possibility to generate
IBF interrupt request.
There is possibility to generate
OBE interrupt request.
Pin
Internal
register
LRESET
LPC interface reset signal
CPU Data bus bit 2
LPCSR write signal
CPU RESET
φ
LPCSR bit
(LPC interface software reset signal)
LPCSR write signal
D
Q
CK
R
D
Q
CK
D
Q
CK
1.5 cycle of
φ
R
CPU RESET
R
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