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| 型號(hào)： | 73S1210F-44IM/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC44 |
| 封裝： | LEAD FREE, QFN-44 |
| 文件頁數(shù)： | 62/126頁 |
| 文件大小： | 1231K |
| 代理商： | 73S1210F-44IM/F |
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73S1210F Data Sheet
DS_1210F_001
40
Rev. 1.4
1.7.6
UART
The 80515 core of the 73S1210F includes two separate UARTs that can be programmed to communicate
with a host. The 73S1210F can only connect one UART at a time since there is only one set of TX and
Rx pins. The MISCtl0 register is used to select which UART is connected to the TX and RX pins. Each
UART has a different set of operating modes that the user can select according to their needs. The
UART is a dedicated 2-wire serial interface, which can communicate with an external host processor at
up to 115,200 bits/s. The TX and RX pins operate at the VDD supply voltage levels and should never
exceed 3.6V. The operation of each pin is as follows:
RX: Serial input data is applied at this pin. Conforming to RS-232 standard, the bytes are input LSB first.
The voltage applied at RX must not exceed 3.6V.
TX: This pin is used to output the serial data. The bytes are output LSB first.
The 73S1210F has several UART-related read/write registers. All UART transfers are programmable for
parity enable, parity select, 2 stop bits/1 stop bit and XON/XOFF options for variable communication baud
shows how the baud rates are calculated.
Table 33: UART Modes
UART 0
UART 1
Mode 0
N/A
Start bit, 8 data bits, parity, stop bit, variable
baud rate (internal baud rate generator).
Mode 1
Start bit, 8 data bits, stop bit, variable
baud rate (internal baud rate generator
or timer 1).
Start bit, 8 data bits, stop bit, variable baud
rate (internal baud rate generator).
Mode 2
Start bit, 8 data bits, parity, stop bit, fixed
baud rate 1/32 or 1/64 of fCKMPU.
N/A
Mode 3
Start bit, 8 data bits, parity, stop bit,
variable baud rate (internal baud rate
generator or timer 1).
N/A
Note: Parity of serial data is available through the P flag of the accumulator. Seven-bit serial modes with
parity, such as those used by the FLAG protocol, can be simulated by setting and reading bit 7 of 8-bit
output data. Seven-bit serial modes without parity can be simulated by setting bit 7 to a constant 1. 8-bit
serial modes with parity can be simulated by setting and reading the 9th bit, using the control bits
S0CON3 and S1CON3 in the S0COn and S1CON SFRs.
Table 34: Baud Rate Generation
Using Timer 1
Using Internal Baud Rate Generator
Serial Interface 0
2
smod
2
* fCKMPU/ (384 * (256-TH1))
smod * f
CKMPU/(64 * (2
10-S0REL))
Serial Interface 1
N/A
fCKMPU/(32 * (2
10-S1REL))
Note: S0REL (9:0) and S1REL (9:0) are 10-bit values derived by combining bits from the respective timer
reload registers SxRELH (bits 1:0) and SxRELL (bits 7:0). TH1 is the high byte of timer 1. The SMOD bit
is located in the PCON SFR.
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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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