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參數(shù)資料
| 型號： | M32176F2TFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 34/36頁 |
| 文件大小： | 342K |
| 代理商： | M32176F2TFP |
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7
32176 Group
Mitsubishi Microcomputers
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
Under Development
Jan. 30, 2003
Rev.1.4
Table 4. Description of Pin Function (1/4)
Type
Pin
Name
Input/Output
Function
Power
VCCE
Power supply
-
Power supply (5.0V ± 0.5V or 3.3V ± 0.3V).
EXCVCC
Internal power
-
External capacitance connecting pin.
supply
VDDE
RAM power supply -
Internal RAM backup power supply (5.0V ± 0.5V or 3.3V ± 0.3V).
EXCVDD
Internal power
-
Backup power supply for the internal RAM, external capacitance con
supply of RAM
necting pin.
VSS
Ground
-
Connect all VSS pins to ground (GND).
Clock
XIN
Clock input
Input
Clock input/output pins. These pins contain a PLL-based
XOUT
Clock output
Output
frequency multiply-by-4, so input the clock whose frequency is quarter
the operating frequency. (XIN input = 10 MHz when CPU clock operates
at 40 MHz)
BCLK
System clock
Output
Outputs a clock twice the externally sourced clock frequency, XIN
(when the internal CPU memory clock is 80 MHz, BCLK output = 20
MHz).
Use this output when external sync design is desired.
EXCOSC
Internal power
-
External capacitance connecting pin.
-VCC
supply
OSC-VSS
Ground
-
Connect OSC-VSS to ground.
Reset
RESET#
Reset
Input
This pin resets the internal circuits.
Mode
MOD0,
Mode
Input
These pins set an operation mode.
MOD1
MOD0
MOD1
Mode
0
Single-chip mode
0
1
Expanded external mode
1
0
Processor mode
(Boot mode) (Note 1)
1
(Reserved)
MOD2
Mode
Input
Please be sure to connect MOD2 to ground (GND).
Flash-only
FP
Flash Protect
Input
This pin protects the flash memory against E/W in hardware.
Address
A12-A30
Address
Output
19 lines of address bus (A12-A30) are provided to accommodate two
bus
channels of 1 MB memory space (max.) connected external to the
chip. A31 is not output.
Data bus
DB0-DB15
Data bus
Input/output
This is a 16-bit data bus connecting to an external device. During write
cycle, the microcomputer outputs BHW# or BLW# to indicate the valid
byte write position of the 16-bit data bus. During read cycle, the micro
computer always reads the full 16-bit data bus. Transferred to the internal
circuit of the M32R, however, is the data at only the valid byte position.
Note 1: In boot mode, the FP pin must be at the high level.
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