h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 627

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Table 15-4 I
Legend
S
SLA
R/
A
DATA
P
SDA
SCL
W
S
Section 15 I
FS = 1 and FSX = 1
Start condition. The master device drives SDA from high to low while SCL is high
Slave address, by which the master device selects a slave device
Indicates the direction of data transfer: from the slave device to the master device
when R/
Acknowledge. The receiving device (the slave in master transmit mode, or the master
in master receive mode) drives SDA low to acknowledge a transfer
Transferred data. The bit length is set by bits BC2 to BC0 in ICMR. The MSB-first or
LSB-first format is selected by bit MLS in ICMR
Stop condition. The master device drives SDA from low to high while SCL is high
S
1
2
C Bus Data Format Symbols
SLA
1-7
W
DATA
Figure 15-4 I
2
8
is 1, or from the master device to the slave device when R/
C Bus Interface [Option] (Only for the H8S/2638, H8S/2639, and H8S/2630)
1
R/W
8
9
A
Figure 15-5 I
DATA
n
2
C Bus Data Format (Serial Format)
m
1-7
DATA
2
C Bus Timing
8
Rev. 6.00 Feb 22, 2005 page 567 of 1484
A
9
P
1
m: transfer frame count
(m ≥ 1)
n: transfer bit count
(n = 1 to 8)
1-7
DATA
8
REJ09B0103-0600
W
A/A
9
is 0
P