參數(shù)資料
型號(hào)： TC9332F
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP60
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-60
文件頁(yè)數(shù)： 5/28頁(yè)
文件大小： 613K
代理商： TC9332F
TC9332F
13
The functions of the signals on the microcontroller interface pins are as shown below:
CS signal (input):
Sets TC9332F data receive to active.
IFCD signal (input):
Distinguishes between command words and data words.
IFCK signal (input):
Data signal shift clock
IFDI signal (input):
Data input signal
ACK signal (output): Acknowledges result of parity check.
IFDO signal (output): Data output signal. Outputs data from the data bus (DBUS) starting from
the LSB. Data are output at the rising edge of the IFCK signal.
(1)
Data transmission format
At idle, the CS , IFCD, IFCK and IFDI signals are high-level.
There are two transfer modes that can be used, depending on the length of data to be transferred.
There are two types of data transmitted : 1 byte command words, and data words composed of either
1 or 2 bytes. The number of bytes per data word varies according to the command type. Data are
transmitted LSB first, and the dummy bit at the MSB of the transmitted data is set to “0”.
(1-1) 8 bit transfer mode
Set ICKS on bit 3 of control register 1 to low. (Low is the initial value at reset). Efficient data
transfer can be carried out over the serial I/O port of an ordinary microcontroller. Figure10 (a)
shows an example of timing for the 8 bit transfer mode.
Figure 10 (a)
Example of timing for 8 bit transfer mode
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