MC68HC68 MOTOROLA [Motorola, Inc], MC68HC68 Datasheet - Page 8

• Manufacturer Part Number: MC68HC68
• Description: Real-Time Clock plus RAM with Serial Interface
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC68T1
8
32 BYTES GENERAL–PURPOSE USER
32 BYTES GENERAL–PURPOSE USER
WRITE ADDRESSES ONLY
WRITE ADDRESSES ONLY
READ ADDRESSES ONLY
READ ADDRESSES ONLY
CLOCK/CALENDAR
CLOCK/CALENDAR
NOT USED
RAM
RAM
HEXADECIMAL
$A0
$B2
$00
H
R
U
$1F
$20
H
R
U
$32
$33
H
R
U
$7F
$80
H
R
U
$9F
H
R
U
T
T
T
T
T
Figure 5. Address Map
INTERRUPT CONTROL REGISTER
INTERRUPT CONTROL REGISTER
CLOCK CONTROL REGISTER
CLOCK CONTROL REGISTER
DATE OF THE MONTH
DATE OF THE MONTH
DAY OF THE WEEK
STATUS REGISTER
DAY OF THE WEEK
SECONDS ALARM
MINUTES ALARM
HOURS ALARM
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
SECONDS
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
SECONDS
MINUTES
MINUTES
HOURS
MONTH
MONTH
HOURS
YEAR
YEAR
HEXADECIMAL
HEXADECIMAL
MOTOROLA
$2A
$2B
$2C
$2D
$2E
$2F
$AC
$AD
$20
$21
$22
$23
$24
$25
$26
$27
$28
$29
$30
$31
$32
$A0
$A1
$A2
$A3
$A4
$A5
$A6
$A7
$A8
$A9
$AA
$AB
$AE
$AF
$B0
$B1
$B2