參數(shù)資料
型號(hào): HT48R05A-1
廠商: Holtek Semiconductor Inc.
英文描述: 8-Bit High Performance RISC-like OTP Microcontroller(8位、高性能、類(lèi)似RISC、一次可編程微控制器,用于多I/O接口設(shè)備)
中文描述: 8位高性能RISC樣檢察官辦公室的微控制器(8位,高性能,類(lèi)似的RISC,一次可編程微控制器,用于多的I / O接口設(shè)備)
文件頁(yè)數(shù): 20/44頁(yè)
文件大小: 290K
代理商: HT48R05A-1
HT48R05A-1
20
November 29, 2000
"
!
1 . & # $ % 1 . + ' - / * , ' / 1 & ' ( ( 2
$ # 1 ) 1 & ' / 1 * .
$ # 1 ) 1 & ' / 1 * .
Successive verification
The related pins of OTPprogramming and veri-
fication are listed in the following table.
Pin
Name
Function
Description
PA0
AD0
Bit0ofaddress/databus
PA1
AD1
Bit1ofaddress/databus
PA2
AD2
Bit2ofaddress/databus
PA3
AD3
Bit3ofaddress/databus
PA4
CLK
Serial clock input for ad-
dress and data
PA5
CS
Chip select, active low
PA6
R/W
Read/write control input
RES
VPP
Programming the power
supply
The timing charts of programming and verifica-
tion are as shown. There is a LOCK signal for
code protection. If the LOCK is "1", reading the
code will return the result "1". However, if the
LOCK is "0", the code protection is disabled and
the code can be read always until the LOCK is
programmed as "1".
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