參數(shù)資料
型號: MC68HC05G3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 55/128頁
文件大?。?/td> 290K
代理商: MC68HC05G3
Page 22
MOTOROLA
Section 1: INTRODUCTION
MC68HC05G3 (705G4) Specification Rev. 1.1
1.5.2.1
RESISTOR CONTROL REGISTER 1 (RCR1)
READ:
anytime
WRITE:
anytime
RHH
Port H Pullup Resistor (H)
When this bit is set to one, pullup resistors are connected to the upper four bits
of port H pins. This bit is cleared on reset.
RHL
Port H Pullup Resistor (L)
When this bit is set to one, pullup resistors are connected to the lower four bits
of port H pins. This bit is cleared on reset.
RGH
Port G Pullup Resistor (H)
When this bit is set to one, pullup resistors are connected to the upper four bits
of port G pins. This bit is cleared on reset.
RGL
Port G Pullup Resistor (L)
When this bit is set to one, pullup resistors are connected to the lower four bits
of port G pins. This bit is cleared on reset.
RBH
Port B Pullup Resistor (H)
When this bit is set to one, pullup resistors are connected to the upper four bits
of port B pins. This bit is cleared on reset.
RBL
Port B Pullup Resistor (L)
When this bit is set to one, pullup resistors are connected to the lower four bits
of port B pins. This bit is cleared on reset.
RAH
Port A Pullup Resistor (H)
When this bit is set to one, pullup resistors are connected to the upper four bits
of port A pins. This bit is cleared on reset.
RAL
Port A Pullup Resistor (L)
When this bit is set to one, pullup resistors are connected to the lower four bits
of port A pins. This bit is cleared on reset.
RHH
$0008
RHL
RGH
RGL
RBH
RBL
RAH
RAL
RCR1
B7
B6
B5
B4
B3
B2
B1
B0
00000000
RESET:
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