參數(shù)資料
型號： MC68HC05F4FB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 58/130頁
文件大?。?/td> 10504K
代理商： MC68HC05F4FB
MC68HC05F4
3-3
MEMORY AND REGISTERS
3
Note:
For compatibility, unused bits (shaded) should always be cleared, when writing to them.
(1) Not available in 28-pin packages
Table 3-1 Register outline
Register Name
Address
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
Port A data (PORTA)
$0000
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
undened
Port B data (PORTB)
$0001
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
undened
Port C data (PORTC)(1)
$0002
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
undened
Port D data (PORTD)(1)
$0003
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
undened
Port A data direction (DDRA)
$0004
0000 0000
Port B data direction (DDRB)
$0005
0000 0000
Port C data direction (DDRC)(1))
$0006
0000 0000
Port D data direction ((DDRD)(1)
$0007
0000 0000
Core timer control/status (CTCSR)
$0008
CTOF
RTIF CTOFE RTIE
RTOF RRTIF
RT1
RT0
uu00 0011
Core timer counter (CTCR)
$0009
0000 0000
$000AC
DTMF row freq. control (FCR)
$000D
0
FCR4
FCR3
FCR2
FCR1
FCR0
undened
DTMF column freq. control (FCC)
$000E
0
FCC4
FCC3
FCC2
FCC1
FCC0
undened
DTMF tone control (TNCR)
$000F
MS1
MS0
TGER TGEC TNOE
0
0000 0000
Key control (KCR)
$0010
KF
KIE
000000
0000 0000
System options (SOR)
$0011
LVIF
LVIE
LVION
SC
IRQ
0
0000 0000
$00121B
EEPROM programming (EEPROG)
$001C
0
CPEN
0
ER1
ER0
LATCH EERC EEPGM 0000 0000
$001D1F
Input capture 1 high (ICR1H)
$0020
(bit 15)
(bit 8)
undened
Input capture 1 low (ICR1L)
$0021
undened
Output compare 1 high (OCR1H)
$0022
(bit 15)
(bit 8)
undened
Output compare 1 low (OCR1L)
$0023
undened
Input capture 2 high (ICR2H)
$0024
(bit 15)
(bit 8)
undened
Input capture 2 low (ICR2L)
$0025
undened
Output compare 2 high (OCR2H)
$0026
(bit 15)
(bit 8)
undend
Output compare 2 low (OCR2L)
$0027
undened
Timer counter high (CNTH)
$0028
(bit 15)
(bit 8) 1111 1111
Timer counter low (CNTL)
$0029
1111 1100
Alternate counter high (ACNTH)
$002A
(bit 15)
(bit 8) 1111 1111
Alternate counter low (ACNTL)
$002B
1111 1100
Timer control 1 (TCR1)
$002C
ICI1E
ICI2E
OCI1E
TOIE
CO1E IEDG1 IEDG2 OLVL1 0000 0uu0
Timer control 2 (TCR2)
$002D
0
OCI2E
0
CO2E
0
OLVL2 0000 0000
Timer status (TSR)
$002E
IC1F
IC2F
OC1F
TOF
TCAP1 TCAP2 OC2F
0
uuuu uuu0
$002F
u = undened
TPG
29
05F4Book Page 3 Tuesday, August 5, 1997 1:10 pm
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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