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M16C/62M Datasheet(PDF) 142 Page - Renesas Technology Corp

Part # M16C/62M
Description  16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES
PDF  615 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M16C/62M Datasheet(HTML) 142 Page - Renesas Technology Corp

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Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Clock synchronous serial I/O mode
1-123
(a) Polarity select function
As shown in Figure 1.16.12, the CLK polarity select bit (bit 6 at addresses 03A416, 03AC16, 037C16)
allows selection of the polarity of the transfer clock.
• When CLK polarity select bit = “1”
Note 2: The CLKi pin level when not
transferring data is “L”.
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
D0
D0
TXDi
RXDi
CLKi
• When CLK polarity select bit = “0”
Note 1: The CLKi pin level when not
transferring data is “H”.
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
D0
TXDi
RXDi
CLKi
Figure 1.16.12. Polarity of transfer clock
(b) LSB first/MSB first select function
As shown in Figure 1.16.13, when the transfer format select bit (bit 7 at addresses 03A416, 03AC16,
037C16) = “0”, the transfer format is “LSB first”; when the bit = “1”, the transfer format is “MSB first”.
Figure 1.16.13. Transfer format
LSB first
• When transfer format select bit = “0”
D0
D0
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
TXDi
RXDi
CLKi
• When transfer format select bit = “1”
D6
D5
D4
D3
D2
D1
D0
D7
D7
D6
D5
D4
D3
D2
D1
D0
TXDi
RXDi
CLKi
MSB first
Note: This applies when the CLK polarity select bit = “0”.



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