M66272FP Datasheet, PDF (2/4 Pages) Mitsubishi Electric Semiconductor – LCD CONTROLLER with VRAM

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MITSUBISHI <DIGITAL ASSP>
M66272FP
LCD CONTROLLER with VRAM
BLOCK DIAGRAM 1
MPU ADDRESS
BUS
15
A<14:0>
22
26
32
ADDRESS
BUFFER
43
MPU DATA BUS
D<15:0>
50
53
60
CONTROL REGISTER
CHIP SELECT
IOCS ²
VRAM CHIP SELECT MCS 6
HIGH WRITE STROBE HWR 3
LOW WRITE STROBE LWR ⁴
READ STROBE
RD ⁵
8/16MPU SELECT MPUSEL 12
RESET
RESET ¹¹
BUS HIGH ENABLE BHE 14
BUS SWAP
SWAP ³³
MPU CLOCK MPUCLK 9
WAIT
WAIT ⁷
CYCLE STEAL ENABLE CSE 36
DATA
BUFFER
MPU I/F
CONTROL
CIRCUIT
CLOCK
CONTROL
(BASIC
TIMING
CONTROL)
VDD
8 23 34 42 52 63 77
CONTROL
REGISTER
VRAM
19200byte
BUS
ARBITER
TIMIG
CONTROL
(CYCLE
STEAL
CONTROL)
1 10 13 24 25 35 40 41 51 64 65 80
VSS
LCD
DISPLAY
TIMING
CONTROL
CIRCUIT
61 _LCDENB
LCD CONTROL
SIGN AL
66 _CP
DISPLAY DATA
TRANSFER CLOCK
67 LP
DISPLAY DATA LATCH
PULSE
68
FLM
FIRST LINE MARKER
SIGN AL
62 M LCD ALTERNATING
SIGN AL
LCD
DISPLAY
DATA
CONTROL
CIRCUIT
69
VD<7:0> ^{LCD DISPLAY}
DATA BUS
76
37 38 39 78 79
N.C
BLOCK DIAGRAM 2 (When interfacing with the LCD module built-in system and having the maximum number of pins connected with MPU)
INPUT FIXED PIN
3 6 11 12 14 15
26 32 33
OPEN PIN
7
VDD
8 23 34 42 52 63 77
MPU ADDRESS
BUS
16
A<7:1>
22
ADDRESS
BUFFER
43
MPU DATA BUS
D<15:0>
50
53
60
CONTROL REGISTER
CHIP SELECT
IOCS
2
LOW WRITE STROBE LWR ⁴
READ STROBE
RD ⁵
DATA
BUFFER
MPU I/F
CONTROL
CIRCUIT
CONTROL
REGISTER
VRAM
ADDRESS
INDEX
REGISTER
DATA
PORT
REGISTER
VRAM
19200byte
LCD
DISPLAY
TIMING
CONTROL
CIRCUIT
61 _LCDENB
LCD CONTROL
SIGN AL
66 _CP
DISPLAY DATA
TRANSFER CLOCK
67 LP
DISPLAY DATA LATCH
PULSE
68
FLM
FIRST LINE MARKER
SIGN AL
62 M LCD ALTERNATING
SIGN AL
LCD
DISPLAY
DATA
CONTROL
CIRCUIT
69
VD<7:0>
LCD DISPLAY
DATA BUS
76
MPU CLOCK MPUCLK 9
2
CLOCK
CONTROL
(BASIC
TIMING
CONTROL)
BUS
ARBITER
TIMIG
CONTROL
1 10 13 24 25 35 40 41 51 64 65 80
VSS
36 37 38 39 78 79
N.C