HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 477
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HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
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16.4.5
In I
data, and the slave device returns an acknowledge signal.
The slave device operates as the device specified by the master device when the slave address in
the first frame following the start condition that is issued by the master device matches its own
address.
Receive Operation Using the HNDS Function (HNDS = 1):
Figure 16.18 shows the sample flowchart for the operations in slave receive mode (HNDS = 1).
(master output)
(master output)
(slave output)
User processing
2
SCL
SDA
SDA
C bus format slave receive mode, the master device outputs the transmit clock and transmit
IRTR
ICDR
IRIC
Figure 16.17 Example of Stop Condition Issuance Timing in Master Receive Mode
Data 2
Slave Receive Operation
Bit 0
8
[3]
[4] IRTR=0
Data 1
[6] IRIC clear
A
[4] IRTR=1
[7] Set ACKB=1
9
[8] Wait for one clock pulse
[3]
Bit 7
[9] Set TRS=1
1
(MLS = ACKB = 0, WAIT = 1)
[10] ICDR read (Data 2)
Bit 6
2
Bit 5
3
Data 3
[11] IRIC clear
Bit 4
Data 2
4
Bit 3
5
Bit 2
6
Bit 1
7
Bit 0
[14] IRIC clear
8
Rev. 2.0, 08/02, page 437 of 788
[13] IRTR=0
[12]
A
[15] WAIT cleared
[13] IRTR=1
[12]
to 0, IRIC clear
9
[17] Stop condition
issuance
Data 3
Stop condition generation
[16] ICDR read
(Data 3)
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