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參數(shù)資料
| 型號(hào)： | MB89945PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit Proprietary Microcontrolle |
| 中文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | PLASTIC, QFP-48 |
| 文件頁數(shù)： | 2/38頁 |
| 文件大?。?/td> | 197K |
| 代理商： | MB89945PF |
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MB89940 Series
2
I
PRODUCT LINEUP
*1: Execution times and clock cycle times are dependent on the use of MCU.
*2: Varies with conditions such as the operating frequency. (See section “
I
Electrical Characteristics.”) In the case
of the MB89PV940, the voltage varies with the restrictions of the EPROM for use.
Part number
MB89943
MB89945
MB89P945
MB89PV940
Item
Classification
Mass-produced products
(mask ROM products)
8 K
×
8 bits
(internal mask ROM)
One-time PROM
Piggyback
ROM size
16 K
×
8 bits
(internal mask ROM)
512
×
8 bits
16 K
×
8 bits
(internal ROM)
32 K
×
8 bits
(external on piggyback)
1 K
×
8 bits
RAM size
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
μ
s*
1
@8 MHz
4.0
μ
s*
1
@8 MHz
19 instruction cycles
21 instruction cycles
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
μ
s, 256
μ
s or external *
1
Reset interval: Approx. 524 ms to 1049 ms
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
Two 8-bit PWM timers
8-bit PWM timers
External interrupt
3 channels, selective positive edge or negative edge trigger
A/D converter
8-bit resolution, two-channel input
A/D conversion time : (MB89943/945 : 26
μ
s*
1
/8 MHz oscillation,
MB89P945/MB89PV940 : 22
μ
s*
1
/8MHz oscillation)
4-common and 17-segment outputs
Number of outputs programmable
LCD controller
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
Process
CMOS
External EPROM
MBM27C256A-20TVM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB89943 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 20-LCCC -55 to 125 |
| MB89943PF | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125 |
| MB8994x | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CFP -55 to 125 |
| MB89PV940CF | 8-bit Proprietary Microcontroller |
| MB89P945PF | 8-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB8994X | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89951 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89951PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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