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宏晶科技:专业单片机 / 存储器供应商   www.MCU-Memory.com   STC12C5410AD 系列 1T 8051 单片机中文指南
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RST     1           20     VCC
RxD/P3.0     2           19     P1.7/SCLK/ADC7
TxD/P3.1     3           18     P1.6/MISO/ADC6
XTAL2     4           17     P1.5/MOSI/ADC5
INT0/P3.2     6           15     P1.3/ADC3
INT1/P3.3     7           14     P1.2/ADC2
ECI/T0/P3.4     8           13     P1.1/ADC1
PWM1/CEX1/T1/P3.5     9           12     P1.0/ADC0
Gnd     10          11     P3.7/CEX0/PWM0
XTAL1     5           16     P1.4/SS/ADC4
RST     1           20     VCC
RxD/P3.0     2           19     P1.7/SCLK
TxD/P3.1     3           18     P1.6/MISO
XTAL2     4           17     P1.5/MOSI
INT0/P3.2     6           15     P1.3
INT1/P3.3     7           14     P1.2
ECI/T0/P3.4     8           13     P1.1
PWM1/CEX1/T1/P3.5     9           12     P1.0
Gnd     10          11     P3.7/CEX0/PWM0
XTAL1     5           16     P1.4/SS
       
STC12C2052AD 系列单片机管脚图及封装尺寸
STC12C2052
STC12C2052AD
20P3, 20-lead, 0.300" Wide, Plastic Dual Inline
Package (PDIP-20)
Dimensions in Inches and (Millimeters)
JEDEC  STANDARD  MS-001  AD
20S, 20-lead, 0.300" Wide, Plastic Gull WIng Small
Outline (SOIC-20 / SOP-20)
Dimensions in Inches and (Millimeters)
PIN1
0.020 (0.508)
0.013 (0.330)
0.299 (7.60)
0.291 (7.39)
0.420 (10.7)
0.393 (9.98)
0.050 (1.27)
0.513 (13.0)
0.497 (12.6)
0.105 (2.67)
0.092 (2.34)
0.012 (0.305)
0.003 (0.076)
0.013 (0.330)
0.009 (0.229)
0.035 (0.889)
0.015 (0.381)

REF
PIN1
1.060 (26.9)
0.980 (24.9)
0.280 (7.11)
0.240 (6.10)
0.090(2.29)
MAX
0.005(0.127)
MIN
0.900(22.86) REF
0.210(5.33)
MAX
0.150 (3.81)
0.115 (2.92)
0.100 (2.54)
0.070(1.78)
0.045(1.13)
0.022 (0.559)
0.014 (0.356)
0.015(0.381)MIN
0.325(8.26)
0.300(7.62)
0.014(0.356)
0.008(0.203)
0.430(10.92)MAX
15
REF
SEATING
PLANE