DS87C520-QNL+T&R Maxim Integrated Products, DS87C520-QNL+T&R Datasheet - Page 9

• Manufacturer Part Number: DS87C520-QNL+T&R
• Description: IC MCU EPROM/ROM 33MH IND 44PLCC
• Manufacturer: Maxim Integrated Products
• Series: 87Cr

Specifications of DS87C520-QNL+T&R

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, SIO, UART/USART
• Peripherals: Power-Fail Reset, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-LCC, 44-PLCC
• Processor Series: DS87C520
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: UART
• Maximum Clock Frequency: 33 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Package: 44PLCC
• Device Core: 8051
• Family Name: 87C
• Maximum Speed: 33 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Table 1. Special Function Register Locations
Note: New functions are in bold.
P0
SP
DPL
DPH
DPL1
DPH1
DPS
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
PORT1
EXIF
SCON0
SBUF0
P2
IE
SADDR0
SADDR1
P3
IP
SADEN0
SADEN1
SCON1
SBUF1
ROMSIZE
PMR
STATUS
TA
T2CON
T2MOD
RCAP2L
RCAP2H
TL2
TH2
PSW
WDCON
ACC
EIE
B
EIP
REGISTER
SM0/FE_1
SM0/FE_0
SMOD_1
SMOD_0
BIT 7
GATE
WD1
CD1
P0.7
P1.7
P2.7
P3.7
SB7
TF1
PIP
TF2
IE5
EA
CY
—
—
—
—
—
0
SMOD0
SM1_1
SM1_0
BIT 6
EXF2
WD0
POR
CD0
P0.6
TR1
P1.6
P2.6
P3.6
SB6
HIP
ES1
PS1
C/T
IE4
AC
—
—
—
—
0
SM2_1
SM2_0
BIT 5
RCLK
SWB
EPFI
T2M
P0.5
P1.5
P2.5
P3.5
TF0
ET2
PT2
SB5
LIP
IE3
M1
F0
—
—
—
—
—
0
DS87C520/DS83C520 EPROM/ROM High-Speed Microcontrollers
REN_1
REN_0
BIT 4
XTUP
EWDI
PWDI
TCLK
T1M
P0.4
P1.4
P2.4
P3.4
TR0
ES0
SB4
RS1
PS0
PFI
M0
IE
—
—
—
—
0
9 of 43
XTOFF
XT/RG
SPTA1
EXEN2
TB8_1
BIT 3
TB8_0
WDIF
GATE
T0M
EX5
P0.3
P1.3
P2.3
P3.3
PX5
GF1
ET1
PT1
SB3
RS0
IE1
—
—
0
ALEOFF
RGMD
SPTA1
RB8_1
WTRF
BIT 2
RB8_0
RMS2
MD2
EX4
P0.2
GF0
P1.2
P2.2
EX1
P3.2
PX1
TR2
PX4
SB2
C/T
IT1
OV
—
0
SPTA0
BIT 1
DME1
RGSL
RMS1
STOP
T2OE
EWT
MD1
TI_1
C/T2
TI_0
EX3
P0.1
P1.1
P2.1
ET0
P3.1
PX3
PT0
SB1
IE0
M1
FL
0
SPRA0
DME0
BIT 0
RMS0
C/RL2
DCEN
RWT
IDLE
MD0
R1_1
BGS
RI_0
EX2
P0.0
SEL
P1.0
P2.0
EX0
P3.0
PX2
PX0
SB0
IT0
M0
P
ADDRESS
AAh
BAh
CAh
CBh
CCh
CDh
8Ah
8Bh
8Ch
8Dh
A0h
A8h
A9h
B0h
B8h
B9h
C0h
C1h
C2h
C4h
C5h
C7h
C8h
C9h
D0h
D8h
8Eh
E0h
E8h
F0h
F8h
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
90h
91h
98h
99h