參數(shù)資料
型號(hào): ST72T121J2B6
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù): 26/93頁(yè)
文件大?。?/td> 915K
代理商: ST72T121J2B6
26/93
ST72E121 ST72T121
I/O PORTS
(Cont’d)
Figure 19
.
I/O Block Diagram
Table 9. Port Mode Configuration
Configuration Mode
Floating
Pull-up
Push-pull
True Open Drain
Open Drain (logic level)
Legend
:
0 -
1 -
present, not activated
present and activated
Notes
:
– No OR Register on some ports (see register map).
– ADC Switch on ports with analog alternate functions.
DR
LATCH
DDR
LATCH
D
DR SEL
DDR SEL
V
DD
PAD
ANALOG
SWITCH
ANALOG ENABLE
(ADC)
M
U
X
ALTERNATE
ENABLE
ALTERNATE
ENABLE
ALTERNATE ENABLE
1
C
ALTERNATE
OUTPUT
M
U
X
ALTERNATE INPUT
PULL-UP
P-BUFFER
(S
EE
T
ABLE
B
ELOW
)
N-BUFFER
0
1
0
OR
LATCH
OR SEL
FROM
OTHER
BITS
EXTERNAL
INTERRUPT
PULL-UP
CONDITION
GND
(S
EE
T
ABLE
BELOW
)
(S
EE
N
OTE
BELOW
)
CMOS
SCHMITT TRIGGER
SOURCE (EIx)
POLARITY
SEL
GND
V
DD
D
IODE
(S
EE
T
ABLE
BELOW
)
Pull-up
0
1
0
not present
0
P-buffer
0
0
1
not present
0
V
DD
Diode
1
1
1
not present
1
26
相關(guān)PDF資料
PDF描述
ST72T121J2T6 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
ST72T121J4B6 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
ST72T121J4T6 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
ST72121 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST72T121J2T6 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI/SCI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T121J2T6S 制造商:STMicroelectronics 功能描述:
ST72T121J4B6 功能描述:8位微控制器 -MCU OTP EPROM 16K SPI/SC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T121J4T6 功能描述:8位微控制器 -MCU OTP EPROM 16K SPI/SC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST72T121J4T6S 制造商:STMicroelectronics 功能描述: