參數(shù)資料
型號(hào)： MM908E624AYPEW
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 32 MHz, MICROCONTROLLER, PDSO54
封裝： 0.65 MM PITCH, ROHS COMPLIANT, SOIC-54
文件頁數(shù)： 22/39頁
文件大?。?/td> 702K
代理商： MM908E624AYPEW
Analog Integrated Circuit Device Data
Freescale Semiconductor
29
908E624
TYPICAL APPLICATIONS
PCB Level Programming
If the IC is soldered onto the PCB 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
Figure 19. Normal Monitor Mode Circuit
Table 14 summarizes the possible configurations and the
necessary setups.
MM908E624
RST_A
RST
IRQ_A
IRQ
VREFL
VDDA
EVDD
VDD
EVSS
AGND
VSUP[1:2]
GND
4.7F
100nF
PTC4/OSC1
PTB3/AD3
PTB4/AD4
PTA0/KBD0
PTA1/KBD1
WDCONF
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
VDD
DATA
CLK
VDD
10k
VDD
VTST
VSUP
47F
+
100nF
10
9
T2OUT
R2IN
T2IN
R2OUT
2.2k
VREFH
VSSA
Table 14. Monitor Mode Signal Requirements and Options
Mode
IRQ RST WDCONF
Reset
Vector
Serial
Communication
Mode
Selection
ICG
COP
Normal
Request
Timeout
Communication Speed
PTA0
PTA1
PTB3
PTB4
External
Clock
Bus
Frequenc
y
Baud
Rate
Normal
Monitor
VTST VDD
GND
X
1
0
1
OFF
disabled
9.8304
MHz
2.4576
MHz
9600
Forced
Monitor
VDD
GND
$FFFF
(blank)
10
X
OFF
disabled
9.8304
MHz
2.4576
MHz
9600
GND
ON
disabled
—
Nominal
1.6 MHz
Nominal
6300
User
VDD
REXT
not $FFFF
(not blank)
X
ON
enabled
—
Nominal
1.6 MHz
Nominal
6300
Notes
34.
PTA0 must have a pull-up resistor to VDD in monitor mode.
35.
External clock is a 4.9152 MHz, 9.8304 MHz or 19.6608 MHz canned oscillator on OCS1.
36.
Communication speed with external clock is depending on external clock value. Baud rate is bus frequency / 256.
37.
X = don’t care.
38.
VTST is a high voltage VDD + 3.5 V ≤ VTST ≤ VDD + 4.5 V.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM908E624AYPEWR2 功能描述:8位微控制器 -MCU 3 HIGH SIDE DRIVER 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
MM908E625 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
MM908E625ACDWB 功能描述:8位微控制器 -MCU 32 Bit 8MHz 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
MM908E625ACDWB/R2 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
MM908E625ACEK 功能描述:8位微控制器 -MCU Quad Half H-Bridge with P/S, HC08, LIN 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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