參數(shù)資料
型號: MC56F8345VFG60
廠商: MOTOROLA INC
元件分類: 數(shù)字信號處理
英文描述: 56F8345 16-bit Hybrid Controller
中文描述: 0-BIT, 240 MHz, OTHER DSP, PQFP128
封裝: 14 X 20 MM, 0.50 MM PITCH, 1.40 MM HEIGHT, PLASTIC, LQFP-128
文件頁數(shù): 100/148頁
文件大小: 1420K
代理商: MC56F8345VFG60
100
56F8345 Technical Data
Preliminary
6.5.5
This read-only register displays the least significant half of the JTAG ID for the chip. This register
reads $401D.
Least Significant Half of JTAG ID (SIM_LSH_ID)
Figure 6-7 Least Significant Half of JTAG ID (SIM_LSH_ID)
6.5.6
Most of the pins on the chip have on-chip pull-up resistors. Pins which can operate as GPIO can
have these resistors disabled via the GPIO function. Non-GPIO pins can have their pull-ups
disabled by setting the appropriate bit in this register. Disabling pull-ups is done on a
peripheral-by-peripheral basis (for pins not muxed with GPIO). Each bit in the register (see
Figure 6-8
) corresponds to a functional group of pins. See
Table 2-2
to identify which pins can
deactivate the internal pull-up resistor.
SIM Pull-up Disable Register (SIM_PUDR)
Figure 6-8 SIM Pull-up Disable Register (SIM_PUDR)
6.5.6.1
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
Reserved—Bit 15
6.5.6.2
This bit controls the pull-up resistors on the FAULTA3 pin.
PWMA1—Bit 14
6.5.6.3
This bit controls the pull-up resistors on the CAN_RX pin.
CAN—Bit 13
6.5.6.4
This bit controls the pull-up resistors on the EMI_MODE pin.
EMI_MODE—Bit 12
Note:
In this package, this input pin is double-bonded with the adjacent V
SS
pin and this bit should
be changed to a 1 in order to reduce power consumption.
6.5.6.5
This bit controls the pull-up resistors on the RESET pin.
RESET—Bit 11
Base + $7
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
1
0
0
0
0
0
0
0
0
0
1
1
1
0
1
Write
RESET
0
1
0
0
0
0
0
0
0
0
0
1
1
1
0
1
Base + $8
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
PWMA1
CAN
EMI_
MODE
RESET
IRQ
XBOOT
PWMB
PWMA0
0
CTRL
0
JTAG
0
0
0
Write
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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