HD64F2149 Datasheet, PDF (645/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 18B.6 Scope of Initialization in Each Host Interface Mode
Items Initialized
System
Reset
LPC
LPC Reset Shutdown
LPC transfer cycle sequencer (internal state),
LPCBSY and ABRT flags
Initialized Initialized
Initialized
SERIRQ transfer cycle sequencer (internal state),
CLKREQ and IRQBSY flags
Initialized Initialized
Initialized
Host interface flags
(IBF1, IBF2, IBF3A, IBF3B, MWMF, C/D1, C/D2,
C/D3, OBF1, OBF2, OBF3A, OBF3B, SWMF, DBU),
GA20 (internal state)
Initialized
Initialized
Retained
Host interrupt enable bits
(IRQ1E1, IRQ12E1, SMIE2, IRQ6E2,
IRQ9E2 to IRQ11E2, SMIE3B, SMIE3A, IRQ6E3,
IRQ9E3 to IRQ11E3), Q/C flag
Initialized Initialized
Retained
LRST flag
Initialized
(0)
Can be
set/cleared
Can be
set/cleared
SDWN flag
Initialized Initialized
(0)
(0)
Can be
set/cleared
LRSTB bit
Initialized HR: 0
(0)
SR: 1
0 (can be set)
SDWNB bit
Initialized Initialized
(0)
(0)
HS: 0
SS: 1
SDWNE bit
Initialized Initialized
(0)
(0)
HS: 1
SS: 0 or 1
Host interface operation control bits
(LPC3E to LPC1E, FGA20E, LADR3,
IBFIE1 to IBFIE3, PMEE, PMEB, LSMIE, LSMIB,
LSCIE, LSCIB)
Initialized Retained
Retained
LRESET signal
LPCPD signal
Input (port Input
function) _Input
Input
Input
LAD3 to LAD0, LFRAME, LCLK, SERIRQ,
CLKRUN signals
Input
Hi-Z
PME, LSMI, LSCI, GA20 signals (when function
is selected)
Output
Hi-Z
PME, LSMI, LSCI, GA20 signals (when function
is not selected)
Port function Port function
Note: System reset: Reset by STBY input, RES input, or WDT overflow
LPC reset: Reset by LPC hardware reset (HR) or LPC software reset (SR)
LPC shutdown: Reset by LPC hardware shutdown (HS) or LPC software shutdown (SS)
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