参数资料
型号: DS80C323-ECD
厂商: Maxim Integrated Products
文件页数: 13/38页
文件大小: 0K
描述: IC MCU HI SPEED 18MHZ 44-TQFP
产品培训模块: Lead (SnPb) Finish for COTS
产品变化通告: Product Discontinuation 20/Feb/2012
标准包装: 160
系列: 80C
核心处理器: 8051
芯体尺寸: 8-位
速度: 18MHz
连通性: EBI/EMI,SIO,UART/USART
外围设备: 电源故障复位,WDT
输入/输出数: 32
程序存储器类型: ROMless
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 44-TQFP
包装: 托盘
DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
20 of 38
SPECIAL-FUNCTION REGISTERS
Most special features of the DS80C320/DS80C323 or 80C32 are controlled by bits in the SFRs, allowing
the devices to add many features but use the same instruction set. When writing software to use a new
feature, the SFR must be defined to an assembler or compiler using an equate statement. This is the only
change needed to access the new function. The DS80C320/DS80C323 duplicate the SFRs that are
contained in the standard 80C32. Table 5 shows the register addresses and bit locations. Many are
standard 80C32 registers. The High-Speed Microcontroller User’s Guide describes all SFRs.
Table 5. Special-Function Register Locations
REGISTER
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
ADDRESS
SP
81h
DPL
82h
DPH
83h
DPL1
84h
DPH1
85h
DPS
0
SEL
86h
PCON
SMOD_0
SMOD0
GF1
GF0
STOP
IDLE
87h
TCON
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
88h
TMOD
GATE
C/ T
M1
M0
GATE
C/ T
M1
M0
89h
TL0
8Ah
TL1
8Bh
TH0
8Ch
TH1
8Dh
CKCON
WD1
WD0
T2M
T1M
T0M
MD2
MD1
MD0
8Eh
P1
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
90h
EXIF
IE5
IE4
IE3
IE2
RGMD
RGSL
BGS
91h
SCON0
SM0/FE_0
SM1_0
SM2_0
REN_0
TB8_0
RB8_0
TI_0
RI_0
98h
SBUF0
99h
P2
P2.0
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
A0h
IE
EA
ES1
ET2
ES0
ET1
EX1
ET0
EX0
A8h
SADDR0
A9h
SADDR1
AAh
P3
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
B0h
IP
PS1
PT2
PS0
PT1
PX1
PT0
PX0
B8h
SADEN0
B9h
SADEN1
BAh
SCON1
SM0/FE_0
SM1_0
SM2_0
REN_0
TB8_0
RB8_0
TI_0
RI_0
C0h
SBUF1
C1h
STATUS
PIP
HIP
LIP
1
C5h
TA
C7h
T2CON
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
C/ T2
CP/ RL2
C8h
T2MOD
T2OE
DCEN
C9h
RCAP2L
CAh
RCAP2H
CBh
TL2
CCh
TH2
CDh
PSW
CY
AC
F0
RS1
RS0
OV
FL
P
D0h
WDCON
SMOD_1
POR
EPFI
PFI
WDIF
WTRF
EWT
RWT
D8h
ACC
E0h
EIE
EWDI
EX5
EX4
EX3
EX2
E8h
B
F0h
EIP
PWDI
PX5
PX4
PX3
PX2
F8h
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