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Número de pieza MA82G5A64
Descripción single-chip microprocessors
Fabricantes Megawin　
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No Preview Available ! MA82G5A64 Hoja de datos, Descripción, Manual

笙泉科技股份有限公司
Megawin Technology Co., Ltd.
MA82G5A64
说明书
北京菱电科技有限公司
TEL:010-82674978
This document information is the intellectual property of Megawin Technology.
Megawin Technology Co., Ltd. 1999 All right reserved.
QP-7300-03D
1/255

1 page




MA82G5A64 pdf
MA82G5A64
Preliminary, v0.30
18.3. 比较/捕获模块 ................................................................................................... 156
18.4. PCA 操作模式。 ............................................................................................... 159
18.4.1. 捕获模式 ...................................................................................................................159
18.4.2. 16 位软件定时器模式 ................................................................................................160
18.4.3. 高速输出模式 ............................................................................................................160
18.4.4. PWM 模式.................................................................................................................161
18.4.5. 增强型 PWM 模式 .....................................................................................................162
19. 串行外设接口(SPI) .................................................................................. 165
19.1. 典型 SPI 配置 ................................................................................................... 166
19.1.1. 单主机和单从机.........................................................................................................166
19.1.2. 双驱动器，既是主机也是从机 ...................................................................................166
19.1.3. 单主机和多从机.........................................................................................................167
19.2. 配置 SPI ............................................................................................................ 167
19.2.1. 从机注意事项 ............................................................................................................168
19.2.2. 主机注意事项 ............................................................................................................168
19.2.3. /SS 引脚的模式改变 ..................................................................................................168
19.2.4. 发送保持寄存器非空标志...........................................................................................168
19.2.5. 写冲突.......................................................................................................................169
19.2.6. SPI 时钟速率选择.....................................................................................................169
19.3. 数据模式............................................................................................................ 170
19.4. SPI 寄存器......................................................................................................... 172
20. 双线串行接口(TWSI/TWI)........................................................................ 175
20.1. 操作模式............................................................................................................ 176
20.1.1. 主机发送模式 ............................................................................................................176
20.1.2. 主机接收模式 ............................................................................................................176
20.1.3. 从机发送模式 ............................................................................................................178
20.1.4. 从机接收模式 ............................................................................................................178
20.2. 混合状态............................................................................................................ 179
20.3. 使用 TWSI ......................................................................................................... 179
20.4. TWSI 寄存器 ..................................................................................................... 186
21. 键盘中断(KBI) ......................................................................................... 190
21.1. 键盘寄存器 ........................................................................................................ 190
22. 12 位模数转换器（ADC）....................................................................... 193
22.1. ADC 结构 ......................................................................................................... 193
22.2. ADC 操作 ......................................................................................................... 193
22.2.1. ADC 输入通道 ..........................................................................................................194
22.2.2. 开始转换 ...................................................................................................................194
22.2.3. ADC 示例代码 ..........................................................................................................195
22.2.4. ADC 转换时间...........................................................................................................196
22.2.5. I/O 引脚用于 ADC 功能 .............................................................................................196
22.2.6. 空闲很掉电模式.........................................................................................................196
22.3. ADC 寄存器....................................................................................................... 197
23. ISP 和 IAP............................................................................................... 202
23.1. MA82G5A64 Flash 存储空间配置 ..................................................................... 202
This document information is the intellectual property of Megawin Technology.
Megawin Technology Co., Ltd. 1999 All right reserved.
QP-7300-03D
5/255

5 Page





MA82G5A64 arduino
3. 方框图
(P6.1) XTAL1
(P6.0) ICKO/ECKI/XTAL2
(P4.6) ALE
(P3.6) nWR
(P3.7) nRD
(P3.2) nINT0
(P3.3) nINT1
(P4.3) nINT2
(P4.2) nINT3
(P3.0) RXD0
(P3.1) TXD0
(P1.2) RXD1
(P1.3) TXD1
(P3.4) T0CKO/T0
(P3.5) T1CKO/T1
(P1.0) T2CKO/T2
(P1.1) T2EX
(P0.1) T3CKO/T3
(P0.0) T3EX
(P2.1) ECI
CEX0~CEX5
(P2.2~P2.7)
AIN0~AIN7
(P1.0~P1.7)
KBI0~KBI7
(P0/P2/P5/P6)
(P1.4) nSS
(P1.5) MOSI
(P1.6) MISO
(P1.7) SPICLK
(P4.0) TWI_SCL
(P4.1) TWI_SDA
MA82G5A64
Preliminary, v0.30
XTAL
OSC
Clock
Multiplier
IHRCO
12MHz
ILRCO
32KHz
8051 CPU (1T)
Ext. INT
UART0
UART1
Timer0
Timer1
Timer2
Timer3
PCA
Timer
12-bit ADC
Keypad Int.
SPI
TWSI
WDT
OCD
Interface
Flash
64K X 8
RAM
256 X 8
XRAM
5120 X 8
ISP/IAP
Port0
Port1
Port2
Port3
Port4
Port5
Port6
BOD0
BOD1
RST
OCD_SCL
OCD_SDA
P0.0~P0.7
P1.0~P1.7
P2.0~P2.7
P3.0~P3.7
P4.0~P4.6
P5.0~P5.7
P6.0~P6.7
This document information is the intellectual property of Megawin Technology.
Megawin Technology Co., Ltd. 1999 All right reserved.
QP-7300-03D
11/255

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