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參數(shù)資料
| 型號： | EM78P569 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8 - BIT OTP MICRO CONTROLLER |
| 中文描述： | 8 -位微控制器檢察官辦公室 |
| 文件頁數(shù)： | 26/58頁 |
| 文件大?。?/td> | 475K |
| 代理商： | EM78P569 |
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EM78P569
8-bit OTP Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
8/19/2004 V4.4
For VERSEL = 0 :
7
MULY7 MULY6 MULY5 MULY4
R/W-0
R/W-0
Bit 0 ~ Bit 7 (MULY0 ~ MULY7) : Multiplicand Y data buffer of multiplier
The multiplier can make a multiplication with X*Y. The multiplicator data buffer X is ACC and
the multiplicand data buffer Y is RB PAGE2 The maximum 24 bit multiplication result MR will be stored in RC
PAGE2 ~ RE PAGE2. That is to say, MR = X*Y.
For VERSEL = 1 :
At this status, RB page2 defined to multiplicand Y data buffer and Data RAM address buffer.
Example 1 : Read continue data from continuous data RAM address:
MOV
A , @0b00111111
AND
0x03 , A
BS
0x03 , 7 ; Set R register to page 2
CLR
0x0B
; Set RAM address = 0
BS
0x0A , 4 ; Enable address auto-increase function
BC
0x03 , 7
BS
0x03 , 6 ; Set R register to page 1
MOV
A , @0b11111100
AND
0x07 , A ; Set RAM bank 0
MOV
A , 0x09 ; read Data RAM address 0x00’s data
MOV
A , 0x09 ; read Data RAM address 0x01’s data
MOV
A , 0x09 ; read Data RAM address 0x02’s data
:
:
Example 2 : Continuous multiplication and addition operation.
MOV
A , @0b00111111
AND
0x03 , A
BS
0x03 , 7 ; Set R register to page 2
CLR
0x0C
CLR
0x0D
CLR
0x0E
; Clear MR = 0
BS
0x0A , 5 ; enable multiplier’s indirect address mode
BS
0x0A , 4 ; Enable address auto-increase function
CLR
0x0B
;Set address = 0
MOV
A , @0x55
INT
A
; multiplication instruction, operate MR
0x55(A) x (address 0’ data)
INT
A
; MR
0x55(A) x (address 1’ data) + MR
INT
A
; MR
0x55(A) x (address 2’ data) + MR
:
:
PAGE3 (PRD2: Period of PWM2)
7
6
5
4
3
PRD2[7] PRD2[6] PRD2[5] PRD2[4]
PRD2[3]
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
The content of this register is a period (time base) of PWM2. The frequency of PWM2 is the reverse of the
period.
RC (PORTC I/O data, Counter1 data, PWM1 duty latch)
PAGE0 (PORT9 I/O data register)
7
6
5
4
3
PC7
PC6
PC5
PC4
PC3
R/W
R/W
R/W
R/W
R/W
Bit 0 ~ Bit 7 (PC0 ~ PC7) : 8-bit PORTC(0~7) I/O data register
User can use IOC register to define input or output each bit.
6
5
4
3
2
1
0
MULY3
R/W-0
MULY2
R/W-0
MULY1
R/W-0
MULY0
R/W-0
R/W-0
R/W-0
2
1
0
PRD2[2]
R/W-0
PRD2[1]
R/W-0
PRD2[0]
R/W-0
2
1
0
PC2
R/W
PC1
R/W
PC0
R/W
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