m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 54

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

Fig. 3.3.4 State of SFR and internal RAM areas immediately after reset (3)
Address
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
56
57
58
59
5A
5B
5C
5D
5E
5F
Notes 4: The access characteristics at addresses 46
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
5: The access characteristics at addresses 50
6: The access characteristics for bit 5 at addresses 5B
“CHAPTER 7. TIMER A.”)
“CHAPTER 8. TIMER B.”)
(Refer to “CHAPTER 8. TIMER B.”)
Timer A clock division select register
Processor mode register 0
Processor mode register 1
One-shot start register 0
One-shot start register 1
Timer A1 mode register
Timer A2 mode register
Timer A3 mode register
Timer B0 mode register
Timer B1 mode register
Timer B2 mode register
Timer A0 mode register
Timer A4 mode register
Count start register 0
Count start register 1
Up-down register 0
Timer A0 register
Timer A1 register
Timer A2 register
Timer A3 register
Timer A4 register
Timer B0 register
Timer B1 register
Timer B2 register
Register name
7905 Group User’s Manual Rev.1.0
RW
RW
RW WO
b7
RW
RW
RW
WO
Access characteristics
16
16
(Note 6)
(Note 6)
(Note 6)
to 4F
to 55
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
(Note 5)
(Note 5)
(Note 5)
(Note 5)
(Note 5)
(Note 5)
16
16
16
RW
RW
RW
RW
RW
RW
RW
vary according to the timer A’s operating mode. (Refer to
vary according to the timer B’s operating mode. (Refer to
to 5D
RW
WO
WO
RW
RW
RW
RW
RW
16
vary according to the timer B’s operating mode.
RW
RW
b0
b7
0
0
0
0
0
0
0
0
0
State immediately after reset
3.3 State of internal area
?
0
0
0
0
0
0
0
?
?
?
?
?
0
0
0
0
0
0
0
0
0
0
0
0
0
0
00
00
00
00
00
00
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
16
16
16
16
16
16
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
b0
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