h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 624

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Host Interface LPC Interface (LPC)
The scope of the initialization in each mode is shown in table 19.6.
Table 19.6 Scope of Initialization in Each Host Interface Mode
Items Initialized
LPC transfer cycle sequencer (internal state),
LPCBSY and ABRT flags
SERIRQ transfer cycle sequencer (internal state),
CLKREQ and IRQBSY flags
Host interface flags
(IBF1, IBF2, IBF3A, IBF3B, MWMF, C/D1 to C/D3, OBF1, OBF2,
OBF3A, OBF3B, SWMF, DBU), GA20 (internal state)
Host interrupt enable bits
(IRQ1E1, IRQ12E1, SMIE2, IRQ6E2,
IRQ9E2 to IRQ11E2, SMIE3B, SMIE3A, IRQ6E3, IRQ9E3 to
IRQ11E3), Q/C flag, SELREQ bit
LRST flag
SDWN flag
LRSTB bit
SDWNB bit
SDWNE bit
Host interface operation control bits
(LPC3E to LPC1E, FGA20E, LADR3, IBFIE1 to IBFIE3, PMEE,
PMEB, LSMIE, LSMIB, LSCIE, LSCIB, TWRE, SELSTR3,
SELIRQ1, SELSMI, SELIRQ6, SELIRQ9 to SELIRQ12)
LRESET signal
LPCPD signal
LAD3 to LAD0, LFRAME, LCLK, SERIRQ,
CLKRUN signals
PME, LSMI, LSCI, GA20 signals (when function
is selected)
PME, LSMI, LSCI, GA20 signals (when function
is not selected)
Note: System reset: Reset by STBY input, RES input, or WDT overflow
Rev. 3.00 Mar 21, 2006 page 570 of 788
REJ09B0300-0300
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)
System
Reset
Initialized
Initialized
Initialized
Initialized
Initialized
(0)
Initialized
(0)
Initialized
(0)
Initialized
(0)
Initialized
(0)
Initialized
Input (port
function
LPC Reset
Initialized
Initialized
Initialized
Initialized
Can be
set/cleared
Initialized
(0)
HR: 0
SR: 1
Initialized
(0)
Initialized
(0)
Retained
Input
Input
Input
Output
Port function
LPC
Shutdown
Initialized
Initialized
Retained
Retained
Can be
set/cleared
Can be
set/cleared
0 (can be set)
HS: 0
SS: 1
HS: 1
SS: 0 or 1
Retained
Input
Input
Hi-Z
Hi-Z
Port function