參數(shù)資料
型號(hào)： MB89P945
廠(chǎng)商： Fujitsu Limited
英文描述： 8-Bit Proprietary Microcontroller(8位專(zhuān)用微控制器)
中文描述： 8位微控制器專(zhuān)利（8位專(zhuān)用微控制器）
文件頁(yè)數(shù)： 2/41頁(yè)
文件大?。?/td> 669K
代理商： MB89P945
2
MB89940 Series
(Continued)
5.0 V single power supply (V
0.8
μ
m CMOS technology (MB89PV940 and MB89P945)
0.5
μ
m CMOS technology (MB89943)
On-chip voltage regulator for internal 3.0 V power supply (MB89943)
PP
required for MB89P945)
I
PRODUCT LINEUP
(Continued)
MB89P945
MB89PV940
Classification
Mass-produced products
(mask ROM products)
×
8 bits
(internal mask ROM)
One-time PROM
Piggyback
ROM size
8 K
16 K
(internal PROM)
×
8 bits
32 K
×
8 bits
(external on piggyback)
×
8 bits
RAM size
512
×
8 bits
1 K
CPU functions
The number of instructions: 136
Instruction cycle:
Interrupt response time:
Multiply instruction time:
Divide instruction time:
Direct addressing memory-to/from-register data transfer:
0.5
4.0
19 instruction cycles
21 instruction cycles
μ
μ
s*
s*
1
@8 MHz
1
@8 MHz
7 instruction cycles
Ports
Output:
Input/Output:
5-bit N-ch open-drain
Two 8-bit CMOS schmitt I/Os and 8-bit CMOS I/Os
Timebase timer
21 bits
Interrupt interval: 1 ms, 4.1 ms, 32.8 ms or 524.3 ms
8-bit/16-bit timer
Can be used as two 8-bit timers or one 16-bit timer
Operation clock: 1
μ
s, 16
Reset interval: Approx. 524 ms to 1049 ms
μ
s, 256
μ
s or external *
1
Watchdog Reset
Stepping motor
controller
Two 8-bit PWM pulse generators
Synchronized 4-channel high current output
Operation clock: 250 ns, 500 ns, 1
μ
s or 4
μ
s*
1
8-bit PWM timers
Two 8-bit PWM timers
External interrupt
3 channels, selective positive edge or negative edge trigger
A/D converter
8-bit resolution, two-channel input
44 instruction cycles for A/D conversion, 12 instruction cycles
for sense mode operation
Conversion time:
LCD controller
4-common and 17-segment outputs
Number of outputs programmable
Low supply voltage
reset
Autonomous reset when low supply voltage
Reset voltage: 3.3 V, 3.6 V, 4.0 V
External voltage
monitor interrupt
Interrupts when voltage at external pin is lower than the reference voltage
Standby modes
Stop mode and sleep mode
Operating
voltage*
2
3.5 V to 5.5 V
MB89943
Part number
Item
相關(guān)PDF資料
PDF描述
MB89PV940 8-Bit Proprietary Microcontroller(8位專(zhuān)用微控制器)
MB89PV480 8-bit Proprietary Microcontroller(8位微控制器)
MB89485 8-bit Proprietary Microcontroller(8位微控制器)
MB89485L 8-bit Proprietary Microcontroller(8位微控制器)
MB89P485 8-bit Proprietary Microcontroller(8位微控制器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB89P945PF 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89P955 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89P955PFM 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89P965A 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
MB89P980 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller
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