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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MC68HC908JK3CDW
寤犲晢锛� Freescale Semiconductor
鏂囦欢闋佹暩(sh霉)锛� 159/212闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC MCU 8MHZ 4K FLASH 20-SOIC
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 38
绯诲垪锛� HC08
鏍稿績铏曠悊鍣細 HC08
鑺珨灏哄锛� 8-浣�
閫熷害锛� 8MHz
澶栧湇瑷�(sh猫)鍌欙細 LED锛孡VD锛孭OR锛孭WM
杓稿叆/杓稿嚭鏁�(sh霉)锛� 15
绋嬪簭瀛樺劜鍣ㄥ閲忥細 4KB锛�4K x 8锛�
绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 闁冨瓨
RAM 瀹归噺锛� 128 x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 2.7 V ~ 3.3 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 12x8b
鎸暕鍣ㄥ瀷锛� 澶栭儴
宸ヤ綔婧害锛� -40°C ~ 85°C
灏佽/澶栨锛� 20-SOIC锛�0.295"锛�7.50mm 瀵級
鍖呰锛� 绠′欢
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Configuration Register (CONFIG)
Technical Data
MC68H(R)C908JL3 鈥� Rev. 1.1
48
Configuration Register (CONFIG)
Freescale Semiconductor
5.3 Functional Description
The configuration register is used in the initialization of various options.
The configuration register can be written once after each reset. All of the
configuration register bits are cleared during reset. Since the various
options affect the operation of the MCU it is recommended that this
register be written immediately after reset. The configuration register is
located at $001E and $001F, and may be read at anytime.
NOTE:
The CONFIG registers are one-time writable by the user after each
reset. Upon a reset, the CONFIG registers default to predetermined
settings as shown in Figure 5-1 and Figure 5-2.
IRQPUD 鈥� IRQ1 Pin Pull-up control bit
1 = Internal Pull-up is disconnected
0 = Internal Pull-up is connected between IRQ1 pin and VDD
LVIT1, LVIT0 鈥� Low Voltage Inhibit trip voltage selection bits
Detail description of the LVI control signals is given in Section 16.
Address:
$001E
Bit 7
654321
Bit 0
Read:
IRQPUD
R
LVIT1
LVIT0
R
Write:
Reset:
000
Not affected Not affected
000
POR:
00000000
R= Reserved
Figure 5-1. Configuration Register 2 (CONFIG2)
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