h8s-2111b Renesas Electronics Corporation., h8s-2111b Datasheet - Page 350

• Manufacturer Part Number: h8s-2111b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Rev. 1.00, 05/04, page 316 of 544
(master output)
(master output)
(slave output)
User processing
ICDRF
ICDRR
SCL
SDA
SDA
IRTR
IRIC
(master output)
(master output)
(slave output)
User processing
Master transmit mode
ICDRF
ICDRR
SCL
SDA
SDA
IRTR
IRIC
Figure 13.11 Example of Operation Timing in Master Receive Mode
Figure 13.12 Example of Stop Condition Issuance Operation Timing
Bit 1
Data 1
Data 2
7
[4] IRIC clear
Bit 0
A
9
in Master Receive Mode (MLS = WAIT = 0, HNDS = 1)
8
[1] TRS=0 clear
[6] Set ACKB = 1
A
[3]
9
SCL is fixed low until ICDR is read
SCL is fixed low until ICDR is read
Master receive mode
[1] IRIC clear
Bit 7
1
[7] ICDR read
(MLS = WAIT = 0, HNDS = 1)
(Data 2)
Bit 7
Bit 6
1
2
Bit 6
Bit 5
2
3
[2] IRIC read
Data 1
Undefined value
(Dummy read)
Bit 5
Bit 4
3
Data 2
Data 3
4
Bit 4
Bit 3
4
5
Bit 3
Bit 2
5
6
Bit 2
Bit 1
6
7
[4] IRIC clear
Bit 1
Bit 0
SCL is fixed low until
stop condition is issued
7
[9] IRIC clear
8
Bit 0
A
[3]
8
9
SCL is fixed low until ICDR is read
[11] Set BBSY = 0 and
(Stop condition instruction issuance)
A
[8]
9
SCP = 0
[5] ICDR read
(Data 1)
Data 1
Stop condition generation
Bit 7
[10] ICDR read
1
Data 2
(Data 3)
Bit 6
2
Data 3