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參數(shù)資料
| 型號： | TC9496AF |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 8/48頁 |
| 文件大小： | 561K |
| 代理商： | TC9496AF |
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TC9496AF
2002-01-11
16
2.2.4 Monitor Mode
Monitor mode is used to monitor the data bus or pointers.
There are two further modes: a mode where the data bus or pointer (s) monitored at a preset program counter (PC) and a mode where a loop counter (LC) is
added to monitor conditions in addition to the PC. First, issue the monitoring command, which has no data.
When the TC9496AF loads data to the IFDO register (IFDOR), the IFOK pin signal is set to LOW (see (1) above).
Next, the I2C read command (ID
= 33h) is issued, then when the IFCK signal is sent, the data are output on the IFCK signal falling edge from the MSB. The
data length is at its maximum (24 bits or three byte) during monitoring of the data bus.
Although it is possible per byte to read only 8 or 16 bits by the side of MSB, MCU has to make it the number of bytes which specified I2COS of command 4Bh
at that time.
After issuing a monitor command (50h to 56h), be sure to perform a continuous read operation by issuing the I2C read comman (ID
= 33h).
CS
IFDI
IFCK
(MCU
→)
start
end
start
end
IFDI
IFOK
(TC9496AF
→)
ID
= 32h
ID
= 33h
COMMAND
(50h to 57h)
(1)
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