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| 型號(hào)： | 73S1210F-44IM/F/P |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 71/126頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SMART CARD READER PROG 44-QFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 260 |
| 系列： | 73S12xx |
| 核心處理器： | 80515 |
| 芯體尺寸： | 8-位 |
| 速度： | 24MHz |
| 連通性： | I²C，智能卡，UART/USART |
| 外圍設(shè)備： | LED，POR，WDT |
| 輸入/輸出數(shù)： | 8 |
| 程序存儲(chǔ)器容量： | 32KB（32K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 6.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 44-VFQFN 裸露焊盤 |
| 包裝： | 管件 |
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DS_1210F_001
73S1210F Data Sheet
Rev. 1.4
49
1.7.9
User (USR) Ports
The 73S1210F includes 8 pins of general purpose digital I/O (GPIO). On reset or power-up, all USR pins
are inputs until they are configured for the desired direction. The pins are configured and controlled by
or output with the bits of the UDIR70 register. Table 47 lists the direction registers and configurability
associated with each group of USR pins. USR pins 0 to 7 are multiple use pins that can be used for
general purpose I/O, external interrupts and timer control. Table 48 shows the configuration for a USR
pin through its associated bit in its UDIR register. Values read from and written into the GPIO ports use
the data registers USR70. Note: After reset, all USR pins are defaulted as inputs and pulled up to VDD
until any write to the corresponding UDIR register is performed. This insures all USR pins are set to a
known value until set by the firmware. Unused USR pins can be set for output if unused and
unconnected to prevent them from floating. Alternatively, unused USR pins can be set for input and tied
to ground or VDD.
Table 47: Direction Registers and Internal Resources for DIO Pin Groups
USR Pin Group
Type
Direction
Register
Name
Direction
Register
(SFR)
Location
Data
Register
Name
Data
Register
(SFR)
Location
USR_0…USR_7
Multi-use
UDIR70
0x91 [7:0]
USR70
0x90 [7:0]
Table 48: UDIR Control Bit
UDIR Bit
0
1
USR Pin Function
output
input
Four XRAM SFR registers (USRIntTCtl0, USRIntTCtl1, USRIntTCtl2, and USRIntTCtl3) control the use of
the USR [7:0] pins. Each of the USR [7:0] pins can be configured as GPIO or individually be assigned an
internal resource such as an interrupt or a timer/counter control. Each of the four registers contains two
3-bit configuration words named UxIS (where x corresponds to the USR pin). The control resources
selectable for the USR pins are listed in Table 50 through Table 53. If more than one input is connected
to the same resource, the resources are combined using a logical OR.
Table 49: Selectable Controls Using the UxIS Bits
UxIS Value
Resource Selected for USRx Pin
0
None
1
None
2
T0 (counter0 gate/clock)
3
T1 (counter1 gate/clock)
4
Interrupt 0 rising edge/high level on USRx
5
Interrupt 1 rising edge/high level on USRx
6
Interrupt 0 falling edge/low level on USRx
7
Interrupt 1 falling edge/low level on USRx
Note: x denotes the corresponding USR pin. Interrupt edge or level control is assigned in the IT0 and IT1
bits in the TCON register.
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| 73S1210F-44IMR/F | 功能描述:8位微控制器 -MCU SoC Smart Card Readr w/PINpad & PWR Mgt 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 |
| 73S1210F-44IMR/F/P | 功能描述:IC SMART CARD READER PROG 44-QFN RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:73S12xx 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:260 系列:73S12xx 核心處理器:80515 芯體尺寸:8-位 速度:24MHz 連通性:I²C，智能卡，UART/USART，USB 外圍設(shè)備:LED，POR，WDT 輸入/輸出數(shù):9 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-VFQFN 裸露焊盤 包裝:管件 |
| 73S1210F-44M/F/PC | 功能描述:8位微控制器 -MCU 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 |
| 73S1210F-44M/F/PD | 制造商:Maxim Integrated Products 功能描述:SCR+PIN PAD/SRL INTRFC/PWR MGT-PROG - Rail/Tube |
| 73S1210F-44MR/F/PC | 功能描述:8位微控制器 -MCU 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 |
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