參數(shù)資料
型號(hào)： 908E425
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
中文描述： 綜合四半僅符合電源橋，嵌入式微控制器和LIN串行通信
文件頁(yè)數(shù)： 39/49頁(yè)
文件大?。?/td> 490K
代理商： 908E425
Analog Integrated Circuit Device Data
Freescale Semiconductor
39
908E425
TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
DEVELOPMENT SUPPORT
As the 908E425 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 V
TST
might be applied not only to IRQ pin,
but 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 pcb board.
CHIP LEVEL PROGRAMMING
On Chip level the easiest way is to only power the MCU
with +5.0 V (see
Figure 23
) and not to provide the analog
chip with V
SUP
, in this setup all the analog pinpin should be
left open (e.g. VSUP[1:3]) and interconnections between
MCU and analog die have to be separated (e.g.
IRQ
-
IRQ_A
).
This mode is well described in the MC68HC908EY16
datasheet - section development support. Of course its also
possible to supply the whole system with Vsup (12 V) instead
as described in
Figure 24
,
page 40
.
Figure 23. Normal Monitor Mode Circuit (MCU only)
MM908E625
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
V
CC
GND
16
15
2
V+
V-
6
1μF
+
1μF
+
+
1μF
1μF
+
+
1μF
2
1
3
6
5
4
74HC125
74HC125
9.8304MHz CLOCK
+5V
+5V
DATA
CLK
+5V
10k
10k
10k
V
TST
10
9
T2
OUT
R2
IN
T2
IN
R2
OUT
EVDD
VDD
VSS
4.7μF
100nF
+5V
VREFL
VDDA
EVSS
VREFH
VSSA
相關(guān)PDF資料
PDF描述
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908E621_07 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-Bridge and Triple High-Side with Embedded MCU and LIN for High End Mirror
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