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參數(shù)資料
| 型號： | M38195M1-XXXFP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 26/60頁 |
| 文件大?。?/td> | 664K |
| 代理商： | M38195M1-XXXFP |
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26
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Serial I/O Automatic Transfer Data Pointer
(SIODP) 0018
16
The serial I/O automatic transfer data pointer (address 0018
16
)
consists of 5 bits which indicate addresses in serial I/O automatic
transfer RAM (the value which adds 0F00
16
to the serial I/O auto-
matic transfer data pointer is actual address in memory).
Set the value (the number of transfer data-1) to the serial I/O au-
tomatic transfer data pointer for specifying the storage address of
first data.
G
Serial I/O Automatic Transfer RAM
The serial I/O automatic transfer RAM is the 32 bytes from ad-
dress 0F00
16
to address 0F1F
16
.
G
Setting of Serial I/O Automatic Transfer
Data
When data is stored in the serial I/O automatic transfer RAM,
store the first data at the address set with the serial I/O auto-
matic transfer data pointer so that the last data can be stored
at address 0F00
16
.
Serial I/O Automatic Transfer Interval Register
(SIOAI) 001C
16
The serial I/O automatic transfer interval register (address
001C
16
) consists of a 5-bit counter that determines the transfer in-
terval Ti during automatic transfer.
When writing the value n to the serial I/O automatic transfer inter-
val register, Ti=(n+2)
Tc (Tc: the length of one bit of the transfer
clock) occurs. However, note that this transfer interval setting is
valid only when selecting the internal clock as the clock source.
Fig. GA-5 Bit allocation of serial I/O automatic transfer RAM
Fig. GA-6 Serial I/O automatic transfer interval timing
Bit
Address
0F00
16
0F01
16
0F02
16
0F1D
16
0F1E
16
0F1F
16
7
6
5
4
3
2
1
0
DO
0
DO
1
DO
2
DO
3
DO
4
DO
5
DO
6
DO
7
T
C
T
i
1-byte data
Transfer clock
Serial I/O output
S
OUT
Serial I/O input
S
IN
DI
0
DI
1
DI
2
DI
3
DI
4
DI
5
DI
6
DI
7
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