參數(shù)資料
型號: 48e30
廠商: Holtek Semiconductor Inc.
英文描述: 8-Bit I/O Type MCU (With EEPROM)
中文描述: 8位I / O型微控制器(帶EEPROM)
文件頁數(shù): 14/44頁
文件大?。?/td> 351K
代理商: 48E30
HT48E30
Rev. 0.00
21
January 12, 2004
Preliminary
WRAL
EEPROM Data Memory Instruction Set Summary
Instruction
Comments
Start bit
Op Code
Address
Data
READ
Read data
1
10
A6~A0
D7~D0
ERASE
Erase data
1
11
A6~A0
WRITE
Write data
1
01
A6~A0
D7~D0
EWEN
Erase/Write Enable
1
00
11XXXXX
EWDS
Erase/Write Disable
1
00
00XXXXX
ERAL
Erase All
1
00
10XXXXX
WRAL
Write All
1
00
01XXXXX
D7~D0
Note:
X stands for dont care
Options
The following table shows all kinds of options in the microcontroller. All of the options must be defined to ensure proper
system functioning.
Items
Options
1
WDT clock source: WDT oscillator or fSYS/4 or disable
2
CLRWDT instructions: 1 or 2 instructions
3
Timer/event counter clock source: fSYS
4
PA bit wake-up enable or disable
5
PA CMOS or Schmitt input
6
PA, PB, PC, PG pull-high enable or disable (by port)
7
BZ/BZ enable or disable
8
LVR enable or disable
9
System oscillator: RC or crystal
C S
S K
D O
S t a n d b y
D I
1
( 1 )
t S V
t P R
t C D S
B u s y
R e a d y
V e r i f y
0
D X
D 0
0
S t a r t b i t
1
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