XC68HC705F32 Motorola, XC68HC705F32 Datasheet - Page 84

• Manufacturer Part Number: XC68HC705F32
• Description: MICROCONTROLLER
• Manufacturer: Motorola

8
8.1
Data to be displayed on the LCD must be written into the LCD RAM. The LCD RAM is comprised
of 20 bytes of RAM (in the MC68HC05F32’s memory map) at $0054 – $0067. The 160 bits in the
LCD RAM correspond to the 160 segments that can be driven by the frontplane/backplane drivers.
Table 8-1
corresponding display segment being activated when the EXTVON or INTVLCD bit is set. The
LCD RAM is a dual port RAM that interfaces with the internal address and data buses of the MCU.
It is possible to read from LCD RAM locations for scrolling purposes.
MOTOROLA
8-2
LCD RAM
Address
$5C
$5D
$54
$55
$56
$57
$58
$59
$5A
$5B
$5E
$5F
$60
$61
$62
$63
$64
$65
$66
$67
shows how the LCD RAM is organized. Writing a ‘1’ to a given location will result in the
LCD RAM
FP17-BP3
FP19-BP3
FP11-BP3
FP13-BP3
FP15-BP3
FP21-BP3
FP23-BP3
FP25-BP3
FP27-BP3
FP29-BP3
FP31-BP3
FP33-BP3
FP35-BP3
FP37-BP3
FP39-BP3
FP1-BP3
FP3-BP3
FP5-BP3
FP7-BP3
FP9-BP3
bit 7
LIQUID CRYSTAL DISPLAY DRIVER MODULE
FP19-BP2
FP11-BP2
FP13-BP2
FP15-BP2
FP17-BP2
FP21-BP2
FP23-BP2
FP25-BP2
FP27-BP2
FP29-BP2
FP31-BP2
FP33-BP2
FP35-BP2
FP37-BP2
FP39-BP2
FP1-BP2
FP5-BP2
FP7-BP2
FP9-BP2
FP3-BP2
bit 6
Table 8-1 LCD RAM organization
FP25-BP1
FP27-BP1
FP29-BP1
FP31-BP1
FP33-BP1
FP35-BP1
FP37-BP1
FP39-BP1
FP13-BP1
FP15-BP1
FP17-BP1
FP19-BP1
FP21-BP1
FP23-BP1
FP11-BP1
FP1-BP1
FP5-BP1
FP7-BP1
FP9-BP1
FP3-BP1
bit 5
FP25-BP0
FP27-BP0
FP29-BP0
FP31-BP0
FP33-BP0
FP35-BP0
FP37-BP0
FP39-BP0
FP17-BP0
FP19-BP0
FP11-BP0
FP13-BP0
FP15-BP0
FP21-BP0
FP23-BP0
FP7-BP0
FP5-BP0
FP9-BP0
FP1-BP0
FP3-BP0
bit 4
Data
FP24-BP3
FP26-BP3
FP28-BP3
FP30-BP3
FP32-BP3
FP34-BP3
FP36-BP3
FP38-BP3
FP10-BP3
FP12-BP3
FP14-BP3
FP16-BP3
FP18-BP3
FP20-BP3
FP22-BP3
FP4-BP3
FP2-BP3
FP6-BP3
FP8-BP3
FP0-BP3
bit 3
FP24-BP2
FP26-BP2
FP28-BP2
FP30-BP2
FP32-BP2
FP34-BP2
FP36-BP2
FP38-BP2
FP12-BP2
FP14-BP2
FP16-BP2
FP18-BP2
FP20-BP2
FP10-BP2
FP22-BP2
FP4-BP2
FP6-BP2
FP0-BP2
FP2-BP2
FP8-BP2
bit 2
FP24-BP1
FP26-BP1
FP28-BP1
FP30-BP1
FP32-BP1
FP34-BP1
FP36-BP1
FP38-BP1
FP10-BP1
FP12-BP1
FP14-BP1
FP16-BP1
FP18-BP1
FP20-BP1
FP22-BP1
FP4-BP1
FP6-BP1
FP0-BP1
FP2-BP1
FP8-BP1
bit 1
MC68HC05F32
FP24-BP0
FP26-BP0
FP28-BP0
FP30-BP0
FP32-BP0
FP34-BP0
FP36-BP0
FP38-BP0
FP10-BP0
FP12-BP0
FP14-BP0
FP16-BP0
FP18-BP0
FP20-BP0
FP22-BP0
FP6-BP0
FP0-BP0
FP4-BP0
FP8-BP0
FP2-BP0
bit 0
TPG