h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 231

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

8.2.15
DTIDSRB selects the direction for transferring ID7 to ID0. As IDs have already been assigned for
the peripheral modules, the transfer direction is fixed. For details, refer to section 8.8, Operation.
8.2.16
DTSTRA includes interrupt flags for each pointer set.
Note:
Bit
7
6
5
4
3
2
1
0
Bit
7 to 4
3
2
1
0
* Only 0 can be written, to clear the flag.
Bit Name
IDRW7
IDRW6
IDRW5
IDRW4
IDRW3
IDRW2
IDRW1
IDRW0
Bit Name
—
DTF3
DTF2
DTF1
DTF0
Data Transfer ID Read/Write Select Register B (DTIDSRB)
Data Transfer Status Register A (DTSTRA)
Initial Value
0
0
0
0
0
0
0
0
Initial Value
All 0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/(W)
R/(W) *
R/(W) *
R/(W) *
R/(W) *
Description
ID7 R/W to ID0 R/W
These bits select the direction for transferring
peripheral modules with ID numbers 7 to 0.
0: RAM
1: Peripheral modules (read)
Description
Reserved
The initial value should not be changed.
Data Transfer Interrupt Flags 3 to 0
These are interrupt flags for pointer set
numbers 3 to 0.
0: No interrupt source
1: Any one flag of BOVF_R, BOVF_W, FULL,
or EMPTY is set to 1
Rev. 3.00 Jan 25, 2006 page 179 of 872
Peripheral modules (write)
Section 8 RAM-FIFO Unit (RFU)
REJ09B0286-0300
RAM