參數(shù)資料
型號(hào)： SM59264
廠商： Electronic Theatre Controls, Inc.
英文描述： 8 - Bit Micro-controller
中文描述： 8 -位微控制器
文件頁數(shù)： 6/32頁
文件大?。?/td> 579K
代理商： SM59264
May 2002
Specifications subject to change without notice,contact your sales representatives for the most recent information.
6/32
Ver 1.0
PID 59264 05/02
SyncMOS Technologies Inc. SM59264
Addr
F4H
F5H
F6H
F7H
SFR
ISPFAH
ISPFAL
ISPFD
ISPC
Reset
00H
00H
00H
0*0***00
7
6
5
4
3
2
1
0
FA15
FA7
FD7
START
FA14
FA6
FD6
FA13
FA5
FD5
FAU0
FA12
FA4
FD4
FA11
FA3
FD3
FA10
FA2
FD2
FA9
FA1
FD1
ISPF1
FA8
FA0
FD0
ISPF0
Extension Function Description
1. Memory Structure
The SM59264 is the general 8052 hardware core to integrate the expanded 768 byte data RAM, 64KB flash program mem-
ory with ISP function module and 64KB data flash as a single chip micro controller. Its memory structure follows general 8052
structure plus SM59264 proprietary external RAM structure.
1.1 Program Memory
The SM59264 has 64K byte on-chip flash memory which used as general program memory, on which include up to 4K byte
specific ISP service program memory space. The address range for the 64K byte is $0000 to $FFFF. The address range for
the ISP service program is $F000 to $FFFF. The ISP service program size can be partitioned as N blocks of 512 byte (N=0 to
8). When N=0 means no ISP service program space available, total 64K byte memory used as program memory. When N=1
means memory address $FE00 to $FFFF reserved for ISP service program. When N=2 means memory address $FC00 to
FFFF reserved for ISP service program,...etc. Value N can be set and programmed into SM59264 by writer.
64K Program
memory space
ISP service
program space
N=8
N=7
N=1
N=0
upto 4K
FE00
FC00
FA00
F800
F600
F400
F200
F000
1FFFF
10000
64K data
flash space
The area need to
have 17th address
bit, A16, for doing
ISP functions:
(byte program,
chip erase, page
erase, protect)
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