參數(shù)資料
型號: MC9S12UF32PB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 60 MHz, MICROCONTROLLER, PQFP64
封裝: LQFP-64
文件頁數(shù): 76/128頁
文件大?。?/td> 1785K
代理商: MC9S12UF32PB
51
Freescale Semiconductor
System on a Chip Guide — 9S12UF32DGV1/D V01.05
2.2 Signal Properties Summary for 100-pin Package
Table 2-3 100-pin Signal Properties
Pin Name
Function
1
Pin Name
Function
2
Pin Name
Function
3
Pin Name
Function
4
Supply
Rail
Internal Pull
Resistor
Description
CTRL
Reset
State
EXTAL
-
NA
Oscillator pins
XTAL
-
NA
TEST1
NA
Test pin only
VREGEN
VDDR
NA
Voltage Regulator Enable Input
PE7
NOACC
VDDR
PUCR
Up
Port E I/O pin; CPU no access
PE6
IPIPE1
MODB
VDDR
While RESET is
low: Down
Port E I/O pin; pipe status; mode
selection
PE5
IPIPE0
MODA
VDDR
While RESET is
low: Down
Port E I/O pin; pipe status; mode
selection
PE4
ECLK
VDDR
PUCR
Up
Port E I/O pin; bus clock output
PE3
LSTRB
TAGLO
VDDR
PUCR
Up
Port E I/O pin; low strobe; tag
signal low
PE2
R/W
VDDR
PUCR
Up
Port E I/O pin; R/W in expanded
modes
PE1
IRQ
VDDR
Always up
Port E input; external interrupt pin
PE0
XIRQ
VDDR
Port E input; non-maskable
interrupt pin
PA[7:0]
ADDR[15:8]
/DATA[15:8]
CFD[15:8]
ATAD[15:8]
VDDX
PUCR
Disabled
Port A I/O pin; multiplexed
address/data; CFHC Data;
ATA5HC Data
PB[7:0]
ADDR[7:0]/
DATA[7:0]
CFD[7:0]
ATAD[7:0]]
VDDX
PUCR
Disabled
Port B I/O pin; multiplexed
address/data; CFHC Data;
ATA5HC Data
RESET
VDDR
NA
External reset pin
BKGD
MODC
TAGHI
VDDR
Always
up
Up
Background debug; mode pin; tag
signal high
RPU
VDDA
NA
USB D+ pull up resistor
termination
RREF
VDDA
NA
External bias resistor
DPF
VDDA
NA
USB full speed D+ data line
DPH
VDDA
NA
USB high speed D+ data line
DMF
VDDA
NA
USB full speed D- data line
DMH
VDDA
NA
USB high speed D- data line
REF3V
VDDR
NA
3.3V regulator reference for driving
external NMOS regulator, default
output 0V
PWROFF5V
VDDR
NA
5V power-off signal for turning off
5V supply by using external PMOS
switch, default output VDDR
PWROFF3V
VDDR
NA
3V power-off signal for turning off
5V supply by using external PMOS
switch, default output VDDR
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