m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 59

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

RESET
3.3 State of internal area
3-14
Fig. 3.3.9 State of SFR and internal RAM areas immediately after reset (8)
Address
E0
E1
E2
E3
E4
E5
E6
E7
E8
E9
EA
EB
EC
ED
EE
EF
F0
F1
F2
F3
F4
F5
F6
F7
F8
F9
FA
FB
FC
FD
FE
FF
Notes 19: The access characteristics at addresses E0
16
16
16
16
16
16
16
16
16
16
Internal RAM area
Notes 21 : When a reset operation starts while writing to the internal RAM area is in process, the microcomputer will be
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
At hardware reset ................................................................................. Retains the state immediately before reset (Note 21).
At software reset.................................................................................................... Retains the state immediately before reset.
At termination of the stop or wait mode
At power-on reset..................................................................................................................................................... Undefined.
(when hardware reset is used for the termination.)....................................Retains the state immediately before the STP or
UART2 transmit interrupt control register
UART2 receive interrupt control register
20: Do not write to this register.
Timer A5 interrupt control register
Timer A6 interrupt control register
Timer A7 interrupt control register
Timer A8 interrupt control register
Timer A9 interrupt control register
select register 1 (address DD
INT
INT
INT
reset before the completion of writing. Accordingly, the contents of the area where the writing was in process
will become undefined.
5
6
7
interrupt control register
interrupt control register
interrupt control register
Register name
A-D register 10
A-D register 11
A-D register 8
A-D register 9
16
). (Refer to “CHAPTER 12. A-D CONVERTER.”)
7905 Group User’s Manual Rev.1.0
b7
16
Access characteristics
to E7
(Note 19)
(Note 19)
(Note 19)
(Note 19)
(Note 19)
(Note 19)
(Note 19)
(Note 19)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
(Note 20)
16
vary according to the contents of the comparator function
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
WIT instruction is executed.
b0
b7
State immediately after reset
0
0
0
0
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0
0
0
0
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0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
?
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0
0
0
0
0
0
0
0
0
0
b0