參數(shù)資料
型號(hào): MC68HC05G3
廠商: MOTOROLA INC
元件分類(lèi): 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(yè)數(shù): 53/128頁(yè)
文件大?。?/td> 290K
代理商: MC68HC05G3
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Page 20
MOTOROLA
Section 1: INTRODUCTION
MC68HC05G3 (705G4) Specification Rev. 1.1
Figure 1-12: Main I/O Map ($0034-$003F)
1.5.2
OPTION MAP FOR THE I/O CONFIGURATIONS
In MC68HC05G3 (705G4), most of the mask options are replaced by the control register
bits to eliminate the problems of emulator, testing, complications of the application support,
mask sets, etc. These control bits are implemented in the second register map (option
map), which is switched by a register bit.
Some options still remain as mask options such as pileup resistor for RESET pin and
resistors for OSC1/2 and XOSC1/2 pins. The status of these mask options can be read
using the MOSR in the option map.
The option map is located at $0000-$000F of the main memory map and is available when
OPTM bit in the MISC register is set. Main registers at $0000-$000F are not available
during OPTM = 1.
Data direction registers are available in the option map.
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
$0035
$0036
$0037
$0038
$0039
$003A
$003B
$003C
$003D
$003E
$003F
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
PWMCNT
PWMDR0
PWMDR1
PWMDR2
PWMDR3
ADR
COCO ADRC ADON
0
CH3
CH2
CH1
CH0
ADSCR
0
PJ3
PJ2
PJ1
PJ0
PORTJ
-
0
ELAT
PGM
PCR
FTUP
STUP
0
SYS1
SYS0 FOSCE OPTM
MISC
(reserved)
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
$0034
0
CH3
CH2
CH1
CH0
PWMCR
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