UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 402

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

16.4 Operation of Serial Interfaces CSI10 and CSI11
16.4.1 Operation stop mode
addition, the P10/SCK10/T
be used as ordinary I/O port pins in this mode.
(1) Register used
402
Address: FF80H After reset: 00H R/W
Address: FF88H After reset: 00H R/W
CSIM10
CSIM11
Serial interfaces CSI10 and CSI11 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
Symbol
Remark n = 0:
Note Available only in the
The operation stop mode is set by serial operation mode register 1n (CSIM1n).
To set the operation stop mode, clear bit 7 (CSIE1n) of CSIM1n to 0.
(a) Serial operation mode register 1n (CSIM1n)
CSIM1n can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets CSIM1n to 00H.
• Serial operation mode register 10 (CSIM10)
Notes 1.
• Serial operation mode register 11 (CSIM11)
Notes 1.
n = 0, 1:
CSIE10
CSIE11
CSIE10
2.
CSIE11
2.
<7>
<7>
0
0
To use P10/SCK10/T
status (00H).
Bit 0 (CSOT10) of CSIM10 and serial I/O shift register 10 (SIO10) are reset.
To use P02/SO11, P04/SCK11, and P05/SSI11/TI001 as general-purpose ports, set CSIM11 in
the default status (00H).
Bit 0 (CSOT11) of CSIM11 and serial I/O shift register 11 (SIO11) are reset.
µ
µ
PD78F0531, 78F0532, 78F0533
PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
Disables operation
Disables operation
X
D0, P11/SI10/R
TRMD10
TRMD11
CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
µ
6
6
PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
SSE11
X
Note 1
Note 1
D0 and P12/SO10 as general-purpose ports, set CSIM10 in the default
X
5
0
5
D0, P12/SO10, P02/SO11
User’s Manual U17260EJ6V0UD
and asynchronously resets the internal circuit
and asynchronously resets the internal circuit
Operation control in 3-wire serial I/O mode
Operation control in 3-wire serial I/O mode
DIR10
DIR11
4
4
3
0
3
0
Note
, P03/SI11
2
0
2
0
Note
Note 2
Note 2
, and P04/SCK11
.
.
1
0
1
0
Note
CSOT10
CSOT11
pins can
0
0