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參數(shù)資料
| 型號： | MB90W214B |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-Bit Proprietary Microcontroller(8位專用微控制器) |
| 中文描述： | 8位微控制器專利（8位專用微控制器） |
| 文件頁數(shù)： | 14/99頁 |
| 文件大?。?/td> | 932K |
| 代理商： | MB90W214B |
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MB90210 Series
14
* :FPT-80P-M06, FPT-80C-C02
Pin no.
Pin name
Circuit
type
Function
QFP*
58
WRH
D
Write strobe output pin for the upper eight bits of data bus
This pin is available in the external bus 16-bit mode with the WR
pin output enabled in an external-bus mode.
INT3
External interrupt request input pin
Since this input is used whenever external interrupts are
enabled, the output by any other function must be suspended
unless the output is intentionally performed.
When these pins are open in input mode, through current may
leak in stop mode/reset mode, be sure to fix these pins to V
level to use these pins in input mode.
CC
/V
SS
59
P55
E
General-purpose I/O port
This port is available in the single-chip mode or when the WR pin
output is disabled.
WRL
Write strobe output pin for the lower eight bits of data bus
This pin is available in an external-bus mode and when the WR
pin output is enabled.
60
P56
E
General-purpose I/O port
This port is available in the single-chip mode.
RD
Data bus read strobe output pin
This pin is available in an external-bus mode.
61
P57
D
General-purpose I/O port
This port is always available.
When these pins are open in input mode, through current may
leak in stop mode/reset mode, be sure to fix these pins to V
level to use these pins in input mode.
CC
/V
SS
WI
RAM write disable request input
Since this input is used during this operation at any time, the
output by any other function must be suspended unless the
output is intentionally performed.
When these pins are open in input mode, through current may
leak in stop mode/reset mode, be sure to fix these pins to V
level to use these pins in input mode.
CC
/V
SS
62
RST
H
External reset request input pin
66
V
CC
Power supply
Digital circuit power supply pin
11, 34, 63
V
SS
Power supply
Digital circuit grounding level
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