TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 232

• Manufacturer Part Number: TMP91xy20AFG
• Manufacturer: Toshiba

Specifications of TMP91xy20AFG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M
• Rom Combinations: 8
• Ram Combinations: 8
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 1
• I2c/sio Bus Channels: 1
• (s)dram Controller: 1
• Adc 10-bit Channel: 8
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 77
• Power Supply Voltage(v): 3.0 to 3.6

(3) Writing clock data
exactly. Therefore, in order to write in data exactly please follow the below way.
1.
When there is carry on the way of write operation, expecting data can not be wrote
Resetting a divider
kHz. Carry of a clock is not done for 0.5 second when reset this divider. So write in
data at this interval.
Inside of RTC, there is 15-stage divider which generates 1 Hz clock from 32.768
Figure 3.13.4 Flowchart of Data Write
RESTR<RSTTMR> = “1”
PAGER<PAGE> = “0”
Write the clock data
Select PAGE0
Divider reset
Start
91C820A-230
End
Note: This period is within 0.5 [s].
TMP91C820A
2008-02-20