UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 416

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

16.4 Operation of Manchester Code Generator
16.4.1 Operation stop mode
In addition, the P32/TOH0/MCGO pin is used as an ordinary I/O port in this mode.
(1) Register description
416
Address: FF47H
Address: FF4CH
MC0CTL0
MC0STR
The Manchester code generator has the three modes described below.
Transmissions are not performed in the operation stop mode. Therefore, the power consumption can be reduced.
Symbol
Symbol
MCG control register 0 (MC0CTL0) is used to set the operation stop mode.
To set the operation stop mode, clear bit 7 (MC0PWR) of MC0CTL0 to 0.
(a) MCG control register 0 (MC0CTL0)
Operation stop mode
Manchester code generator mode
Bit sequential buffer mode
This register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to 10H.
Caution This flag always indicates 1 during continuous transmission.
MC0PWR
MC0PWR
MC0TSF
MC0TSF
<7>
<7>
After reset: 00H
0
1
0
After reset: 10H
transmission operation without confirming that this flag has been cleared.
Transmission operation in progress
Operation stopped
Reset signal generation
MC0PWR = 0
If the next transfer data is not written to MC0TX when a transmission is completed
Figure 16-7. Format of MCG Status Register (MC0STR)
6
0
6
0
CHAPTER 16 MANCHESTER CODE GENERATOR
R
R/W
5
0
5
0
User’s Manual U18698EJ1V0UD
MC0DIR
<4>
4
0
Data transmission status
Operation control
3
0
3
0
2
0
2
0
MC0OSL
<1>
1
0
Do not initialize a
MC0OLV
<0>
0
0