MB90480/485 Series
27
(Continued)
Address
Register name
Abbreviated
register
name
TCDT
TCDT
TCCS
TCCS
Read/
Write
Resource name
Initial value
62
H
63
H
64
H
65
H
66
H
67
H
68
H
69
H
6A
H
6B
H
Timer counter data register lower digits
Timer counter data register upper digits
Timer control status register
Timer control status register
Compare clear register lower digits
Compare clear register upper digits
Up/down count register (ch.0)
Up/down count register (ch.1)
Reload/compare register (ch.0)
Reload/compare register (ch.1)
Counter control register (ch.0)
lower digits
Counter control register (ch.0)
upper digits
R/W
R/W
R/W
R/W
16-bit input/output
timer free run timer
00000000
B
00000000
B
00000000
B
0--00000
B
XXXXXXXX
B
XXXXXXXX
B
00000000
B
00000000
B
00000000
B
00000000
B
CPCLR
R/W
UDCR0
UDCR1
RCR0
RCR1
R
R
W
W
8/16-bit up/down
6C
H
CCRL0
W, R/W
0X00X000
B
6D
H
CCRH0
R/W
00000000
B
6E
H
(Reserved area)
6F
H
ROM mirror function select register
ROMM
R/W
ROM mirroring
function
------
+
1
B
70
H
Counter control register (ch.1)
lower digits
Counter control register (ch.1)
upper digits
Counter status register (ch.0)
CCRL1
W, R/W
8/16-bit up/down
0X00X000
B
71
H
CCRH1
R/W
-0000000
B
72
H
73
H
74
H
75
H
76
H
*
77
H
*
78
H
*
79
H
*
7A
H
*
7B
H
*
7C
H
*
7D
H
*
7E
H
*
7F
H
*
80
H
*
81
H
*
82
H
*
83
H
84
H
*
85
H
86
H
*
87
H
CSR0
(Reserved area)
CSR1
(Reserved area)
R, R/W
00000000
B
Counter status register (ch.1)
R, R/W
8/16-bit UDC
00000000
B
PWC control/status register
PWCSR0
R, R/W
PWC (ch.0)
00000000
B
0000000X
B
00000000
B
00000000
B
00000000
B
0000000X
B
00000000
B
00000000
B
00000000
B
0000000X
B
00000000
B
00000000
B
------00
B
PWC data buffer register
PWCR0
R/W
PWC control/status register
PWCSR1
R, R/W
PWC (ch.1)
PWC data buffer register
PWCR1
R/W
PWC control/status register
PWCSR2
R, R/W
PWC (ch.2)
PWC data buffer register
PWCR2
R/W
Dividing ratio control register
DIVR0
(Reserved area)
DIVR1
(Reserved area)
DIVR2
(Reserved area)
R/W
PWC (ch.0)
Dividing ratio control register
R/W
PWC (ch.1)
------00
B
Dividing ratio control register
R/W
PWC (ch.2)
------00
B