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参数资料
| 型号： | MM908E626AVPEK |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | FLASH, 32 MHz, MICROCONTROLLER, PDSO54 |
| 封装： | 5.10 X 10.30 MM, 0.65 MM PITCH, LEAD FREE, SOIC-54 |
| 文件页数： | 26/43页 |
| 文件大小： | 842K |
| 代理商： | MM908E626AVPEK |
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Analog Integrated Circuit Device Data
32
Freescale Semiconductor
908E626
TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
DEVELOPMENT SUPPORT
As the 908E626 has the MC68HC908EY16 MCU
embedded, typically all the development tools available for
the MCU also apply for this device. However, due to the fact
of the additional analog die circuitry and the nominal +12 V
supply voltage some additional items have to be considered:
nominal 12 V rather than 5.0 V or 3.0 V supply
high voltage VTST might be applied not only to IRQ pin,
but also the IRQ_A pin
For a detailed information on the MCU related
development support, see the MC68HC908EY16 datasheet -
section, development support.
The programming is principally possible at two stages in
the manufacturing process - first on chip level, before the IC
is soldered onto a pcb board, and second, after the IC is
soldered onto the pc board.
Chip level programming
At the Chip level, the easiest way is to only power the MCU
with +5.0 V (see Figure 16), and not provide the analog chip
with VSUP. In this setup, all the analog pins should be left
open (e.g. VSUP[1:3]), and interconnections between the
MCU and the analog die have to be separated (e.g. IRQ -
IRQ_A
).
This mode is well described in the MC68HC908EY16
datasheet - section, development support.
Figure 16. Normal Monitor Mode Circuit (MCU only)
It is also possible to supply the whole system with VSUP
(12 V) instead as described in Figure 17.
PCB level programming
If the IC is soldered onto the pc board, it is typically not
possible to separately power the MCU with +5.0 V. The
whole system has to be powered up providing VSUP (see
MM908E626
RST_A
RST
IRQ_A
IRQ
VSUP[1:3]
GND[1:2]
PTC4/OSC1
PTB3/AD3
PTB4/AD4
PTA0/KBD0
PTA1/KBD1
MAX232
10k
RS232
DB-9
1
3
C1+
C1-
4
5
C2+
C2-
7
8
2
3
5
VCC
GND
16
15
2
V+
V-
6
1F
+
1F
+
1F
+
1F
2
1
3
65
4
74HC125
9.8304MHz CLOCK
+5V
DATA
CLK
+5V
10k
VTST
10
9
T2OUT
R2IN
T2IN
R2OUT
EVDD
VDD
VSS
4.7F
100nF
+5V
VREFL
VDDA
EVSS
VREFH
VSSA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM908E626AVPEKR2 | 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MM908E626R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| MM-90N | 功能描述:ANT MAGN MNT VEHIC 3.5"DIA 10'NF RoHS:是 类别:RF/IF 和 RFID >> RF 天线 系列:* 标准包装:1 系列:* |
| MM90R9F | 制造商:Ohmite Mfg Co 功能描述: |
| MM912_634 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated S12 Based Relay Driver with LIN |
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