CHAPTER 11 SERIAL INTERFACE CSI10
Preliminary User’s Manual U19014EJ1V0UD
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(5) SO10 output (see (a) in Figure 11-1)
The status of the SO10 output is as follows if bit 7 (CSIE10) of serial operation mode register 10 (CSIM10) is
cleared to 0.
Table 11-3. SO10 Output Status
TRMD10 DAP10 DIR10
SO10
Output
Note 1
TRMD10 = 0
Note 2
−
−
Outputs low level
Note 2
DAP10 = 0
−
Value of SO10 latch
(low-level output)
DIR10 = 0
Value of bit 7 of SOTB10
TRMD10 = 1
DAP10 = 1
DIR10 = 1
Value of bit 0 of SOTB10
Notes 1.
The actual output of the SO10/P12 pin is determined according to PM12 and P12, as well as
the SO10 output.
2.
Status after reset
Caution If a value is written to TRMD10, DAP10, and DIR10, the output value of SO10 changes.
11.5 Caution for Serial Interface CSI10
(1) Standby mode
To resume the operation from the standby status, clear bit 2 (CSIIF10) of interrupt request flag register 0H (IF0H)
to 0.
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