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): 39/81頁(yè)
文件大小: 766K
代理商: M38837G6HP
Rev.1.00
Oct 26, 2004
page 44 of 79
3883 Group
Fig. 43 Block diagram of LPC interface function (1ch)
Input Control Circuit
Input Data
Bus Buffer [7:4]
LPC control register (LPCCON)
U7i
U6i
U5i
U4i
XA2i
U2i
IBFi OBFi
b6
b5
b4
b3
Interrupt Generate
Circuit
Interrupt signal
IBF, OBE
P82/LAD2
P83/LAD3
P81/LAD1
P80/LAD0
P84/LFRAME
Input Data
Bus Buffer [3:0]
Output Data
Bus Buffer [7:4]
Output Data
Bus Buffer [3:0]
P86/LCLK
Output Control Circuit
P85/LRESET
0
LPC
Data
Bus
Input
Data
Comparator
TAR
register
SYNC
register
Data bus buffer status register
Start
register
RD/WR
register
Address
register
HH
Address
register
HL
Address
register
LH
Address
register
LL
Internal
CPU
Bus
b2
b1
b0
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