h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 236

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 7 Data Transfer Controller [H8S/2138 Group]
7.3.10
Table 7.8 lists execution phases for a single DTC data transfer, and table 7.9 shows the number of
states required for each execution phase.
Table 7.8
Mode
Normal
Repeat
Block transfer
Rev. 4.00 Jun 06, 2006 page 182 of 1004
REJ09B0301-0400
DTC activation
request
DTC
request
Address
Number of DTC Execution States
DTC Execution Phases
Vector Read
I
1
1
1
Figure 7.12 DTC Operation Timing (Chain Transfer)
Vector read
Register Information
Read/Write
J
6
6
6
information
Transfer
read
Data transfer
Read Write
N: Block size (initial setting of CRAH and CRAL)
information
Transfer
write
Data Read
K
1
1
N
information
Transfer
read
Data Write
L
1
1
N
Data transfer
Read Write
information
Transfer
Internal
Operation
M
3
3
3
write