參數(shù)資料
型號(hào)： M37735S4LHP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MICROCONTROLLER, PQFP80
封裝： FINE PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù)： 26/63頁(yè)
文件大小： 8367K
代理商： M37735S4LHP
OVERVIEW
1-6
7733 Group User’s Manual
1.3 Pin description
Table 1.3.2 Pin description (2)
Input/Output
I/O
Output
I/O
Output
Functions
[Single-chip Mode]
P0 is an 8-bit CMOS I/O port and has an I/O direction
register. Each pin can be programmed for input or output.
[Memory Expansion Mode] [Microprocessor Mode]
Address’s low-order 8 bits (A0–A7) are output.
[Single-chip Mode]
P1 is an 8-bit I/O port with the same function as port
P0.
[Memory Expansion Mode] [Microprocessor Mode]
q When the external data bus width = 8 bits
(Pin BYTE is at “H” level)
Address’s middle-order 8 bits (A8–A15) are output.
q When the external data bus width = 16 bits
(Pin BYTE is at “L” level)
Input/Output of data (D8–D15) and output of address’s
middle-order 8 bits (A8–A15) are performed with the
time sharing method.
[Single-chip Mode]
P2 is an 8-bit I/O port with the same function as port
P0.
[Memory Expansion Mode] [Microprocessor Mode]
Input/Output of data (D0–D7) and output of address’s
high-order 8 bits (A16–A23) are performed with the time
sharing method.
[Single-chip Mode]
P3 is a 4-bit I/O port with the same function as port P0.
[Memory Expansion Mode] [Microprocessor Mode]
__
____
These pins respectively output signals R/W, BHE, ALE,
_____
and HLDA.
__
q Signal R/W
This signal indicates the data bus state.
When this signal level is “H,” a data bus is in the
read state. When this signal level is “L,” a data bus
is in the write state.
____
q Signal BHE
This signal’s level is “L” when the microcomputer
accesses an odd address.
q Signal ALE
This signal is used to separate the multiplexed signal which
consists of an address and data to the address and the data.
_____
q Signal HLDA
This signal informs the external whether this
microcomputer enters the Hold state or not.
_____
In Hold state, pin HLDA outputs “L” level.
Name
I/O port P0
I/O port P1
I/O port P2
I/O port P3
Pin
P00–P07
A0–A7
P10–P17
A8/D8–
A15/D15
P20–P27
A16/D0–
A23/D7
P30–P33
__
R/W,
____
BHE
,
ALE,
_____
HLDA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37735T-PAC 制造商:Renesas Electronics Corporation 功能描述:DEV 7733 SIMPLE DEVELOPMENT TOOL PACKAGE - Bulk
M37736EHB 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:PROM VERSION OF M37736EHBXXXGP
M37736EHBGS 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PROM VERSION OF M37736MHBXXXGP
M37736EHBXXXGP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:PROM VERSION OF M37736MHBXXXGP(MICROCOMPUTERS)
M37736EHL 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:PROM VERSION OF M37736MHLXXXHP(MICROCOMPUTERS)
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