TMP86xy48UG/FG Toshiba, TMP86xy48UG/FG Datasheet - Page 121

• Manufacturer Part Number: TMP86xy48UG/FG
• Manufacturer: Toshiba

Specifications of TMP86xy48UG/FG

• Package: LQFP64/QFP64
• Rom Types (m=mask,p=otp,f=flash): F/E
• Rom Size: 32
• Ram Size: 2K
• Driver Led: 11
• Driver Lcd: -
• Spi/sio Channels: 1
• Uart/sio Channels: 1
• I2c/sio Channels: 1
• High-speed Serial Output: 2
• Adc 8-bit Channels: -
• Adc 10-bit Channels: 16
• Da Converter Channels: -
• Timer Counter 18-bit Channel: -
• Timer Counter 16-bit Channel: 2
• Timer Counter 8-bit Channel: 2
• Motor Channels: -
• Watchdog Timer: Y
• Dual Clock: Y
• Clock Gear: -
• Number Of I/o Ports: 54
• Power Supply (v): 2.7 to 3.6

SCL (Bus)
SCL pin
SDA (Pin)
LRB
BB
PIN
(5) Restart
slave device during transferring data. The following explains how to restart a serial bus
interface circuit.
high-level and the SCL pin is released. Since a stop condition is not generated on a bus, a
bus is assumed to be in a busy state from other devices. Test the BB until it becomes “0” to
check that the SCL pin a serial bus interface circuit is released. Test the LRB until it
becomes “1” to check that the SCL line on a bus is not pulled-down to the low level by other
devices. After confirming that a bus stays in a free state, generate a start condition with
procedure (2).
software from the time of restarting to confirm that a bus is free until the time to generate
a start condition.
Note: When restarting after receiving in master recever mode, because the device doesn’t
Restart is used to change the direction of data transfer between a master device and a
Clear “0” to the MST, TRX and BB and set “1” to the PIN. The SDA pin retains the
In order to meet setup time when restarting, take at least 4.7 µs of waiting time by
send an acknowledgment as a last data, the level of SCL line can not be confirmed by
reading LRB. Therefore, confirm the status of SCL line by reading P5PRD register.
“0” → MST
“0” → TRX
“0” → BB
“1” → PIN
Figure 2.12.16 Timing Diagram when Restarting
86FM48-117
“1” → MST
“1” → TRX
“1” → BB
“1” → PIN
4.7 µs (Min)
Start condition
TMP86FM48
2007-08-24