upd78f0114m6gb-8es Renesas Electronics Corporation., upd78f0114m6gb-8es Datasheet - Page 309
upd78f0114m6gb-8es
Manufacturer Part Number
upd78f0114m6gb-8es
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0114M6GB-8ES.pdf
(534 pages)
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14.4 Operation of Serial Interface CSI10
14.4.1 Operation stop mode
addition, the P10/SCK10/T
mode.
(1) Register used
Address: FF80H After reset: 00H R/W
CSIM10
Serial interface CSI10 can be used in the following two modes.
• Operation stop mode
• 3-wire serial I/O mode
Serial communication is not executed in this mode. Therefore, the power consumption can be reduced. In
Symbol
The operation stop mode is set by serial operation mode register 10 (CSIM10).
To set the operation stop mode, clear bit 7 (CSIE10) of CSIM10 to 0.
(a) Serial operation mode register 10 (CSIM10)
CSIM10 can be set by a 1-bit or 8-bit memory manipulation instruction.
RESET input clears CSIM10 to 00H.
Notes 1.
CSIE10
CSIE10
2.
<7>
0
To use the SI10/RxD0/P11, SO10/P12, and SCK10/TxD0/P10 pins as general-purpose port pins,
see CHAPTER 4 PORT FUNCTIONS, Caution 3 of Figure 14-3, and Table 14-2.
Bit 0 (CSOT10) of CSIM10 and serial I/O shift register 10 (SIO10) are reset.
Disables operation
X
D0, P11/SI10/R
TRMD10
6
CHAPTER 14 SERIAL INTERFACE CSI10
Note 1
X
5
0
D0, and P12/SO10 pins can be used as ordinary I/O port pins in this
User’s Manual U16227EJ3V0UD
and asynchronously resets the internal circuit
Operation control in 3-wire serial I/O mode
DIR10
4
3
0
2
0
Note 2
.
1
0
CSOT10
0
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