p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 181

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

7.5.7
Table 7.6 lists the execution status for a single DTC data transfer, and table 7.7 shows the number
of states required for each execution status.
Table 7.6
[Legend]
N:
Table 7.7
Mode
Normal
Repeat
Block transfer
Object to be Accessed
Bus width
Access states
Execution
status
Block size (initial setting of CRAH and CRAL)
Number of DTC Execution States
Vector read
Register information
read/write
Byte data read
Word data read
Byte data write
Word data write
Internal operation
DTC Execution Status
Number of States Required for Each Execution Status
Vector Read
I
1
1
1
S
S
S
S
S
S
S
M
K
K
L
L
J
I
On-Chip RAM
(H'(FF)EC00 to
H'(FF)EFFF)
32
1
—
1
1
1
1
1
1
Register
Information
Read/Write
J
6
6
6
On-Chip RAM
(On-chip RAM area
other than H'(FF)EC00
to H'(FF)EFFF)
16
1
—
—
1
1
1
1
1
Data Read
K
1
1
N
Rev. 1.00 Sep. 21, 2006 Page 143 of 658
Section 7 Data Transfer Controller (DTC)
On-
Chip
ROM
16
1
1
—
1
1
1
1
1
Data Write
L
1
1
N
On-Chip I/O
Registers
8
2
—
—
2
4
2
4
1
16
2
—
—
2
2
2
2
1
REJ09B0310-0100
Internal
Operations
M
3
3
3
External
Device
8
2
4
—
2
4
2
4
1
8
3
6 + 2m
—
3 + m
6 + 2m
3 + m
6 + 2m
1