參數(shù)資料
型號(hào)： M32174F4VFP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP240
封裝： 32 X 32 MM, 0.50 MM PITCH, PLASTIC, QFP-240
文件頁(yè)數(shù)： 3/49頁(yè)
文件大?。?/td> 561K
代理商： M32174F4VFP
Mitsubishi Microcomputers
11
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
2001-5-14 Rev.1.0
32170 Group, 32174 Group
Table 6 Description of Pin Function (2/5)
Type
Pin type
Description
Input/Output Function
Bus
___
CS0,
Chip
Output
Chip select signals for external devices.
control
CS1
select
__
RD
Read
Output
This signal is output when reading external devices.
___
_______
BHW/ BHE
Byte high
Output
Indicates the byte positions to which valid are transferred when writing to
write
________
_______
________ _______
external devices.BHW/ BHE and BLW/ BLE correspond to the upper address
___ _______
BLW/ BLE
Byte low
Output
side(D0-D7 effective) and the lower address side(D8-D15 effective),respectivel.
write
____
WAIT
Wait
Input
_________
If WAIT input is low when the M32R accesses external devices, the wait cycle
extended.
_____
HREQ
Hold
Input
This pin is used by an external device to request control of the external bus.
request
__________
The M32R goes to a hold state when HREQ input is pulled low.
____
HACK
Hold
Output
This signal indicates to the external device that the M32R has entered a hold
acknowledge
state and relinquished control of the external bus.
Multijunction TIN0
Timer input
Input
Input pins for multijunction timer.
timer
-TIN33
TO0
Timer output
Output
Output pins for multijunction timer.
-TO44
TCLK0
Timer clock
Input
Clock input pins for multijunction timer.
-TCLK3
A-D
AVCC0,
Analog power –
AVCC0 is the power supply for the A-D0 converters. AVCC1 is the power
converter
AVCC1
upply
supply for the A-D1 converters.
Connect AVCC0 and AVCC1 to the power supply (5V or 3.3V).
AVSS0,
Analog ground –
AVSS0 is the analog ground for the A-D0 converters. AVSS1 is the
AVSS1
analog ground for the A-D1 converters.
Connect AVCC0 and AVCC1 to ground.
AD0IN0
Analog input
Input
One block of 16-channel analog input pin for A-D0 converter.
-AD0IN15
AD1IN0
Two blocks of 16-channel analog input pin for A-D1 converter.
-AD1IN15
VREF0,
Reference
Input
VREF0 is the reference voltage input pin (5V or 3.3V) for the A-D0 converters.
VREF1
voltage input
VREF1 is the reference voltage input pin (5V or 3.3V) for the A-D1 converters.
_____
ADTRG
Conversion
Input
Hardware trigger input pin to start A-D conversion.
trigger
Interrupt
___
SBI
SystemInput
System
break interrupt(SBI) input pin of the interrupt controller.
controller
break
interrupt
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