参数资料
型号: T89C51AC2-SLSIM
厂商: Atmel
文件页数: 62/121页
文件大小: 0K
描述: IC 8051 MCU FLASH 32K 44PLCC
标准包装: 27
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 34
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
45
A/T89C51AC2
4127H–8051–02/08
Sharing Instructions
Table 28. Instructions shared
Note:
by cl: using Column Latch
Table 29. Read MOVX A, @DPTR
Table 30. Write MOVX @DPTR,A
Action
RAM
XRAM
ERAM
EEPROM
DATA
Boot
FLASH
FM0
Hardware
Byte
XROW
Read
MOV
MOVX
MOVC
Write
MOV
MOVX
-
by cl
EEE bit in
EECON
Register
FPS in
FCON Register
ENBOOT
EA
XRAM
ERAM
EEPROM
DATA
Flash
Column
Latch
0
X
OK
0
1
X
OK
1
0
X
OK
1
X
OK
EEE bit in
EECON
Register
FPS bit in
FCON Register
ENBOOT
EA
XRAM
ERAM
EEPROM
Data
Flash
Column
Latch
0
X
OK
0
1
X
1
OK
0
OK
1
0
X
OK
1
X
1
OK
0
OK
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