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参数资料
| 型号： | M30624FGPGP#U9C |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-100 |
| 文件页数： | 24/103页 |
| 文件大小： | 1106K |
| 代理商： | M30624FGPGP#U9C |
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1. Overview
Page 25 of 96
1.6
Pin Description
I : Input
O : Output
I/O : Input and output
Power Supply : Power supplies which relate to the external bus pins are separated as VCC2, thus they can be
interfaced using the different voltage as VCC1.
NOTES:
1. In this manual, hereafter, VCC refers to VCC1 unless otherwise noted.
2. In M16C/62PT, apply 4.0 to 5.5 V to the VCC1 and VCC2 pins. Also the apply condition is that VCC1 = VCC2.
3. When use VCC1 > VCC2, contacts due to some points or restrictions to be checked.
4. Bus control pins in M16C/62PT cannot be used.
Table 1.17
Pin Description (100-pin and 128-pin Version) (1)
Signal Name
Pin Name
I/O
Type
Power
Supply(3)
Description
Power supply
input
VCC1,VCC2
VSS
I
Apply 2.7 to 5.5 V to the VCC1 and VCC2 pins and 0 V to the VSS
pin. The VCC apply condition is that VCC1
≥ VCC2. (1, 2)
Analog power
supply input
AVCC
AVSS
I
VCC1
Applies the power supply for the A/D converter. Connect the AVCC
pin to VCC1. Connect the AVSS pin to VSS.
Reset input
RESET
IVCC1
The microcomputer is in a reset state when applying “L” to the this pin.
CNVSS
I
VCC1
Switches processor mode. Connect this pin to VSS to when after
a reset to start up in single-chip mode. Connect this pin to VCC1 to
start up in microprocessor mode.
External data
bus width
select input
BYTE
I
VCC1
Switches the data bus in external memory space. The data bus is
16 bits long when the this pin is held "L" and 8 bits long when the
this pin is held "H". Set it to either one. Connect this pin to VSS
when an single-chip mode.
Bus control
pins (4)
D0 to D7
I/O
VCC2
Inputs and outputs data (D0 to D7) when these pins are set as the
separate bus.
D8 to D15
I/O
VCC2
Inputs and outputs data (D8 to D15) when external 16-bit data bus
is set as the separate bus.
A0 to A19
O
VCC2
Output address bits (A0 to A19).
A0/D0 to
A7/D7
I/O
VCC2
Input and output data (D0 to D7) and output address bits (A0 to A7) by
timesharing when external 8-bit data bus are set as the multiplexed bus.
A1/D0 to
A8/D7
I/O
VCC2
Input and output data (D0 to D7) and output address bits (A1 to A8)
by timesharing when external 16-bit data bus are set as the
multiplexed bus.
CS0 to CS3
O
VCC2
Output CS0 to CS3 signals. CS0 to CS3 are chip-select signals to
specify an external space.
WRL/WR
WRH/BHE
RD
O
VCC2
Output WRL, WRH, (WR, BHE), RD signals. WRL and WRH or
BHE and WR can be switched by program.
WRL, WRH and RD are selected
The WRL signal becomes "L" by writing data to an even address in
an external memory space.
The WRH signal becomes "L" by writing data to an odd address in
an external memory space.
The RD pin signal becomes "L" by reading data in an external
memory space.
WR, BHE and RD are selected
The WR signal becomes "L" by writing data in an external memory space.
The RD signal becomes "L" by reading data in an external memory space.
The BHE signal becomes "L" by accessing an odd address.
Select WR, BHE and RD for an external 8-bit data bus.
ALE
O
VCC2
ALE is a signal to latch the address.
HOLD
I
VCC2
While the HOLD pin is held "L", the microcomputer is placed in a
hold state.
HLDA
O
VCC2
In a hold state, HLDA outputs a "L" signal.
RDY
I
VCC2
While applying a "L" signal to the RDY pin, the microcomputer is
placed in a wait state.
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