h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 375
h8s-2138
Manufacturer Part Number
h8s-2138
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2138.pdf
(1061 pages)
- Current page: 375 of 1061
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Bit 7—TMRX/TMRY Access Select (TMRX/Y): The TMRX and TMRY registers can only be
accessed when the HIE bit in SYSCR is cleared to 0. In the H8S/2138 Group, some of the TMRX
registers and the TMRY registers are assigned to the same memory space addresses (H'FFF0 to
H'FFF5), and the TMRX/Y bit determines which registers are accessed. In the H8S/2134 Group,
there is no control of TMRY register access by this bit.
12.2.9
TICR is an 8-bit internal register to which the contents of TCNT are transferred on the falling edge
of external reset input. The CPU cannot read or write to TICR directly.
The TICR function is used in timer connection. For details, see section 13, Timer Connection
[H8S/2138 Group].
Bit 7
TMRX/Y
0
(Initial value)
1
Bit
Initial value
Read/Write
Input Capture Register (TICR) [TMRX Additional Function]
H'FFF0
TCRX
(TMRX)
TCRY
(TMRY)
—
7
0
H'FFF1
TCSRX
(TMRX)
TCSRY
(TMRY)
—
6
0
TICRR
(TMRX)
TCORAY
(TMRY)
H'FFF2
—
5
0
Accessible Registers
H'FFF3
TICRF
(TMRX)
TCORBY
(TMRY)
—
4
0
Rev. 4.00 Jun 06, 2006 page 321 of 1004
H'FFF4
TCNTX
(TMRX)
TCNTY
(TMRY)
—
3
0
H'FFF5
TCORC
(TMRX)
TISR
(TMRY)
—
2
0
Section 12 8-Bit Timers
H'FFF6
TCORAX
(TMRX)
—
REJ09B0301-0400
1
0
H'FFF7
TCORBX
(TMRX)
—
0
0
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