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參數(shù)資料
| 型號： | M30865FJTGP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 3/71頁 |
| 文件大?。?/td> | 684K |
| 代理商： | M30865FJTGP |
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Page 9
1. Overview
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Apply 4.2 V to 5.5 V to the VCC pin.
Apply 0V to the VSS pin
Supplies power to the A/D converter. Connect the AVCC pin to VCC and the
AVSS pin to VSS
___________
The microcomputer is in a reset state when "L" is applied to the RESET pin
Switches processor mode. Connect the CNVSS pin to VSS to start up in
single-chip mode or to VCC to start up in microprocessor mode
Switches data bus width in external memory space 3. The data bus is 16
bits wide when the BYTE pin is held "L" and 8 bits wide when it is held "H".
Set to either. Connect the BYTE pin to VSS to use the microcomputer in
single-chip mode
Inputs and outputs data (D0 to D7) while accessing an external memory
space with separate bus
Inputs and outputs data (D8 to D15) while accessing an external memory
space with 16-bit separate bus
Outputs address bits A0 to A22
Outputs inversed address bit A23
Inputs and outputs data (D0 to D7) and outputs 8 low-order address bits (A0
to A7) by time-sharing while accessing an external memory space with
multiplexed bus
Inputs and outputs data (D8 to D15) and outputs 8 middle-order address bits
(A8 to A15) by time-sharing while accessing an external memory space with
16-bit multiplexed bus
_______
Outputs CS0 to CS3 that are chip-select signals specifying an external space
________
_________
______
________
_____
________
_________
Outputs WRL, WRH, (WR, BHE) and RD signals. WRL and WRH can be
______
_______
switched with WR and BHE by program
________
_________
_____
WRL, WRH and RD selected:
If external data bus is 16 bits wide, data is written to an even address in
________
external memory space when WRL is held "L".
_________
Data is written to an odd address when WRH is held "L".
_____
Data is read when RD is held "L".
______
________
_____
WR, BHE and RD selected:
______
Data is written to external memory space when WR is held "L".
_____
Data in an external memory space is read when RD is held "L".
________
An odd address is accessed when BHE is held "L".
______
________
_____
Select WR, BHE and RD for external 8-bit data bus.
ALE is a signal latching the address
__________
The microcomputer is placed in a hold state while the HOLD pin is held "L"
Outputs an "L" signal while the microcomputer is placed in a hold state
________
Bus is placed in a wait state while the RDY pin is held "L"
VCC
VSS
AVCC
AVSS
____________
RESET
CNVSS
BYTE
D0 to D7
D8 to D15
A0 to A22
______
A23
A0/D0 to
A7/D7
A8/D8 to
A15/D15
______
CS0 to CS3
________
______
WRL / WR
_________
________
WRH / BHE
_____
RD
ALE
__________
HOLD
__________
HLDA
________
RDY
Power Supply
Analog Power
Supply
Reset Input
CNVSS
Input to Switch
External Data Bus
Width(1)
Bus Control
Pins(1)
I
I/O
O
I/O
O
I
O
I
Classsfication
Symbol
I/O Type
Function
I : Input
O : Output
I/O : Input and output
NOTES:
1. Bus control pins in M32C/86T cannot be used.
1.6 Pin Description
Table 1.4 Pin Description
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