HD404459 Datasheet, PDF (19/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
Item
Abbr.
Status After
Status After
Cancellation of Stop Cancellation of Stop Status After all Other
Mode by STOPC Input Mode by MCU Reset Types of Reset
Carry flag
(CA)
Pre-stop-mode values are not guaranteed;
values must be initialized by program
Pre-MCU-reset values
are not guaranteed;
values must be
initialized by program
Accumulator
(A)
B register
(B)
W register
(W)
X/SPX register
(X/SPX)
Y/SPY register
(Y/SPY)
Serial data register (SRL, SRU)
RAM
Pre-stop-mode values are retained
RAM enable flag (RAME)
1
0
0
Port mode register (PMRC)
Pre-stop-mode values 0
0
C bit 2
are retained
System clock select (SSR13)
register1 bit 3
Table 2 Vector Addresses and Interrupt Priorities
Reset/Interrupt
Priority
Vector Address
RESET, STOPC*
—
$0000
INT₀
INT₁
Timer D
1
$0002
2
$0004
3
$0006
Timer A, INT₂
Timer B, INT₃
Timer C, Serial
4
$0008
5
$000A
6
$000C
Wakeup
7
$000E
Note: * The STOPC interrupt request is valid only in stop mode.
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