HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 514
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
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Rev. 2.0, 08/02, page 474 of 788
Note:* To switch to reception after transmission, set KBE to 1 (KBBR receive enable) while KCLKI is low.
KCLK
(pin state)
KD
(pin state)
KCLK
(output)
KD
(output)
KCLK
(input)
KD
(input)
(KCLK = high, KD = high)
*
To receive operation or
Transmit end state
transmit operation
[1] [2] [3] [4] [5]
Read KBCRH
Read KBCRH
KCLKI = 0?
KCLK = 1?
KDI = 0?
1
I/O inhibit
Yes
Yes
Yes
Figure 17.5 (2) Sample Transmit Processing Flowchart
Start bit
Start bit
[6]
No
No
No
1
Figure 17.6 Transmit Timing
0
0
[7]
[8]
2
Error handling
1
1
8
7
7
9
Parity bit Stop bit
Parity bit Stop bit
Keyboard side in data
Execute receive abort
transmission state.
processing.
10
2
Receive
completed
notification
[7]
11
[8]
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