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参数资料
| 型号： | TC9331F |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 6/31页 |
| 文件大小： | 791K |
| 代理商： | TC9331F |
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TC9331F
2002-02-05
14
(1)
Data transfer format
When idle, the CS , IFCD, IFCK, and IFDT signals are set to “H”. The standard unit of data
transferred from the host microcomputer is an 8 bit (1 byte) unit to which an odd, 1 bit parity has
been added. However, when a parity check is not conducted, a dummy bit is substituted. There are
two types of transfer data: single-byte command words and one to four-byte data words. The number
of data word bytes depends on the command byte. The data is transferred from the LSB first and the
dummy bit at the MSB end of the transferred data is set to “0”. The microcomputer interface terminal
signals and their functions are listed below.
CS signal (input):
Activation signal for TC9331F data reception
IFCD signal (input):
Signal used to differentiate command words from data words.
IFCK signal (input):
Shift clock for the data signal.
IFDT signal (input):
Data signal.
ACK signal (output): The acknowledge signal for the results of the parity check.
DCHK signal (output): Synchronizes the data signal with the TC9331F system clock and outputs
the data at the rise of the IFCK trailing edge.
The host microcomputer is able to check for data transfer errors using the ACK and DCHK signals.
The 12 different (write) commands that may be used by the host microcomputer to control the
TC9331F are listed in Table 4 below.
Table 4
Command words
Data Word (exclude parity)
Command Word
(HEX)
Length of Bit Used
Transfer Byte Length
Data Is Written to the Following
Address
0F
15
2
CNT-R2
0E
8
1
CNT-R1
0D
8
1
CNT-R0
0C
9
2
STAD-R
0B
5
1
TXW-R
0A
32
4
PRAM
09
16
2
CRAM
08
16
2
OFRAM
07
32
4
RM-R
06
3
1
XINT-R
05
5
1
XRMD-R
04
9
2
BRKA-R
03
02
01
00
―
Not assigned
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