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MAXQ7670A
Microcontroller with 12-Bit ADC,
PGA, 64KB Flash, and CAN Interface
30
______________________________________________________________________________________
Crystal Selection
The MAXQ7670A uses an 8MHz or 16MHz Jauch
JXG53P2 (or similar specification):
Frequency: 8MHz or 16MHz ±0.25%.
CLOAD: 12pF.
CO: < 7pF max.
Series resonance resistance: max 50
/300 for
16MHz/8MHz, respectively.
Note: Series resonance resistance is the resistance
observed when the resonator is in the series resonant
condition. This is a parameter often stated by quartz
crystal vendors and is called R1. When a resonator is
used in the parallel resonant mode with an external
load capacitance, as is the case with the MAXQ7670A
oscillator circuit, the effective resistance is sometimes
stated. This effective resistance at the loaded frequen-
cy of oscillation is:
R1 x (1 + (CO/CLOAD))2
For typical CO and CLOAD values, the effective resis-
tance can be greater than R1 by a factor of two.
Development and Technical Support
Highly versatile, affordably priced development tools
for this C are available from Maxim and third-party
suppliers. Tools for the MAXQ7670A include:
Compilers
Evaluation kits
JTAG-to-serial converters for programming and
debugging
A list of development tool vendors can be found at
www.maxim-ic.com/microcontrollers. For technical
support, go to www.maxim-ic.com/support.
MODULE NAME (BASE SPECIFIER)
REGISTER
INDEX
AP (8h)
A (9h)
PFX (Bh)
IP (Ch)
SP (Dh)
DPC (Eh)
DP (Fh)
0h
AP
A[0]
PFX[0]
IP
——
—
1h
APC
A[1]
PFX[1]
—
SP
——
2h
—
A[2]
PFX[2]
—
IV
——
3h
—
A[3]
PFX[3]
—
OFFS
DP0
4h
PSF
A[4]
PFX[4]
——
DPC
—
5h
IC
A[5]
PFX[5]
——
GR
—
6h
IMR
A[6]
PFX[6]
—
LC0
GRL
—
7h
—
A[7]
PFX[7]
—
LC1
BP
DP1
8h
SC
A[8]
——
GRS
—
9h
—
A[9]
—
GRH
—
Ah
—
A[10]
——
—
GRXL
—
Bh
IIR
A[11]
——
—
FP
—
Ch
—
A[12]
——
—
Dh
—
A[13]
——
—
Eh
CKCN
A[14]
——
—
Fh
WDCN
A[15]
——
—
Table 2. System Register Map
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAXQ7670ATL/V+ | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ7670ATL/V+T | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ7670ATL+ | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ7670ATL+T | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ7670EVKIT+ | 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ7670 Eval Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
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