Data Transfer Id Read/Write Select Register B (Dtidsrb); Data Transfer Status Register A (Dtstra) - Renesas H8S/2158 User Manual

8.2.15

Data Transfer ID Read/Write Select Register B (DTIDSRB)

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.
Bit Bit Name
7 IDRW7
6 IDRW6
5 IDRW5
4 IDRW4
3 IDRW3
2 IDRW2
1 IDRW1
0 IDRW0
8.2.16

Data Transfer Status Register A (DTSTRA)

DTSTRA includes interrupt flags for each pointer set.
Bit Bit Name
7 to 4 —
3 DTF3
2 DTF2
1 DTF1
0 DTF0
Note: * Only 0 can be written, to clear the flag.
Initial Value R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
Initial Value R/W
All 0 R/(W)
R/(W) *
0
R/(W) *
0
R/(W) *
0
R/(W) *
0
Section 8 RAM-FIFO Unit (RFU)
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 → Peripheral modules (write)
1: Peripheral modules (read) → RAM
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
REJ09B0286-0300