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PDF SM5954 Data sheet ( Hoja de datos )
| Número de pieza | SM5954 | |
| Descripción | Embedded 16KB + 4KB With ISP Flash & 1KB RAM 8 Controller | |
| Fabricantes | SyncMOS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SM5954 (archivo pdf) en la parte inferior de esta página. Total 53 Páginas | ||
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SM5954
内嵌 16KB+4KB
具有 ISP 功能的 Flash
和 1KB RAM 的 8 位控制器
产品目录..............................................................................................................................................................................3
描述 ..................................................................................................................................................................................... 3
订货信息..............................................................................................................................................................................3
特征 ..................................................................................................................................................................................... 3
各封装引脚配置 ................................................................................................................................................................... 4
系统方框图 ..........................................................................................................................................................................7
管脚描述..............................................................................................................................................................................8
特殊功能寄存器(SFR) .........................................................................................................................................................9
功能描述............................................................................................................................................................................12
1. 总特征.......................................................................................................................................................................12
1.1 嵌入式程序存储器............................................................................................................................................12
1.2 IO 口 ................................................................................................................................................................12
1.3 系统控制标志(SCONF) ....................................................................................................................................12
2. 指令设置 ...................................................................................................................................................................13
3. 存储器结构 ...............................................................................................................................................................17
3.1 程序存储器.......................................................................................................................................................17
3.2 数据存储器.......................................................................................................................................................18
3.3 数据内存-低 128 字节(00H 到 7FH) ..................................................................................................................18
3.4 数据存储器-高 128 字节(80H 到 FFH)...............................................................................................................18
3.5 存储器-扩展的 768 字节($0000 到 $02FF).......................................................................................................18
4. CPU 结构..................................................................................................................................................................22
4.1 累加器..............................................................................................................................................................22
4.2 B 寄存器...........................................................................................................................................................22
4.3 程序状态字.......................................................................................................................................................23
4.4 堆栈指针 ..........................................................................................................................................................23
4.5 数据指针 ..........................................................................................................................................................23
5. GPIO 管脚型态 .........................................................................................................................................................25
6. 定时器 0 和定时器 1 .................................................................................................................................................26
6.1 定时器/计数器模式控制寄存器(TMOD)............................................................................................................26
6.2 定时/计数控制寄存器(TCON) ..........................................................................................................................27
6.3 模式 0 (13 位定时/计数) ...................................................................................................................................27
6.4 模式 1 (16 位定时/计数) ...................................................................................................................................28
6.5 模式 2 (8 位自动重载定时/计数) .......................................................................................................................28
6.6 模式 3 (两个独立 8 位定时/计数(仅定时器 0)) ..................................................................................................29
7. 定时器 2....................................................................................................................................................................30
7.1 捕获模式 ..........................................................................................................................................................31
7.2 自动重装模式（递增/递减计数器） .................................................................................................................31
7.3 编程时钟输出 ...................................................................................................................................................33
8. 串行接口 ...................................................................................................................................................................35
8.1 串行接口由以下 4 种模式可以设置 ..................................................................................................................35
8.2 串行接口的多重机通讯 ....................................................................................................................................37
8.3 波特率发生器 ...................................................................................................................................................37
9. 中断 ..........................................................................................................................................................................39
10. 看门狗定时器 .......................................................................................................................................................41
11. 电源管理单元 .......................................................................................................................................................43
11.1 待机模式(空闲模式) .........................................................................................................................................43
11.2 掉电模式 ..........................................................................................................................................................43
12. 脉宽调制器(PWM)................................................................................................................................................44
13. TWO-WIRE SERIES INTERFACE (TWSI)..........................................................................................................46
14. 在系统编程(INTERNAL ISP) ................................................................................................................................49
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M094
Ver A SM5954 5/27/2014
-1-
http://www.Datasheet4U.com
1 page  
44 Pin PLCC
SM5954
内嵌 16KB+4KB
具有 ISP 功能的 Flash
和 1KB RAM 的 8 位控制器
6 5 4 3 2 1 44 43 42 41 40
P1.5
SCL/P1.6
SDA/P1.7
RESET
RXD/P3.0
P4.3
TXD/P3.1
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
SM5954
ihhJP
yymmv
(44L PLCC Top View)
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
P4.1
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
18 19 20 21 22 23 24 25 26 27 28
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M094
Ver A SM5954 5/27/2014
-5-
5 Page 
41 PSW
42 PWMC0
43 PWMC1
44 P4
45 ACC
46 B
47 ISPFAH
48 ISPFAL
49 ISPFD
50 ISPC
D0H
D3H
D4H
D8H
E0H
F0H
F4H
F5H
F6H
F7H
SM5954
内嵌 16KB+4KB
具有 ISP 功能的 Flash
和 1KB RAM 的 8 位控制器
00H Program Status Word
00H PWM Control 0
00H PWM Control 1
xFH Port 4
00H Accumulator
00H B Register
00H ISP Flash Address-High Register
00H ISP Flash Address-Low Register
00H ISP Flash Data Register
00H ISP control Register
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M094
Ver A SM5954 5/27/2014
- 11 -
11 Page | ||
| Páginas | Total 53 Páginas | |
| PDF Descargar | [ Datasheet SM5954.PDF ] | |
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