msm9201-01 Oki Semiconductor, msm9201-01 Datasheet - Page 18

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msm9201-01

Manufacturer Part Number
msm9201-01
Description
Fluorescent Display Tube Controller Driver
Manufacturer
Oki Semiconductor
Datasheet
¡ Semiconductor
Setting of CGROM and CGRAM character codes for up to 24 digits is now complete.
To further specify character codes continuously from DCRAM address 00H, dummy character
codes must be specified for DCRAM address 18H to 1FH (so that DCRAM address will be
incremented automatically and will be reset to 00H).
2nd byte
2nd byte
2nd byte
2nd byte
2nd byte
2nd byte
(25th)
(26th)
(33th)
(34th)
(3rd)
(4th)
X0 (LSB) to X4 (MSB): DCRAM address (5 bits: 24 characters)
C0 (LSB) to C7 (MSB): Character code of CGROM and CGRAM (8 bits: 256 characters)
LSB
LSB
LSB
LSB
LSB
LSB
B0 B1 B2 B3 B4 B5 B6 B7
C0 C1 C2 C3 C4 C5 C6 C7
B0 B1 B2 B3 B4 B5 B6 B7
C0 C1 C2 C3 C4 C5 C6 C7
B0 B1 B2 B3 B4 B5 B6 B7
C0 C1 C2 C3 C4 C5 C6 C7
B0 B1 B2 B3 B4 B5 B6 B7
C0 C1 C2 C3 C4 C5 C6 C7
B0 B1 B2 B3 B4 B5 B6 B7
C0 C1 C2 C3 C4 C5 C6 C7
B0 B1 B2 B3 B4 B5 B6 B7
C0 C1 C2 C3 C4 C5 C6 C7
MSB
MSB
MSB
MSB
MSB
MSB
: specifies character code of CGROM and CGRAM.
: specifies character code of CGROM and CGRAM.
: specifies character code of CGROM and CGRAM.
: specifies dummy character code of CGROM and CGRAM.
: specifies dummy character code of CGROM and CGRAM.
: specifies character code of CGROM and CGRAM.
(written into DCRAM address 01H)
(written into DCRAM address 02H)
(written into DCRAM address 17H)
(not written into DCRAM address)
(not written into DCRAM address)
(rewritten into DCRAM address 00H)
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