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M35074 データシート(PDF) 28 Page - Renesas Technology Corp

部品番号 M35074
部品情報  SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
PDF  44 Pages
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メーカー  RENESAS [Renesas Technology Corp]
ホームページ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M35074 データシート(HTML) 28 Page - Renesas Technology Corp

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MITSUBISHI MICROCOMPUTERS
M35074-XXXSP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
27
(2) Data input (Sequence)
(a) Addresses are consists of 16 bits.
(b) Data is consists of 24 bits.
(c) Addresses and data are communicated in 8-bit units. Input
the lower 8 bits before the upper 8 bits. Make input from
the MSB side.
(d) After the start state has been attained and the control byte
(7CH) received, the next 16 bits (2 bytes) are for inputting
the address. Addresses are increased in increments for
every 24 bits (3 bytes) of data input thereafter. As a result,
it is not necessary to input the address from the second
data.
Note:During external synchronous , do not stop the external clock
input from the TCK pin while inputting data.
Fig.15 Data input sequence
ACK* (Acknowledge) : Output the acknowledge signal whenever one byte input after the start state.
Output the acknowledge signal and recieve the data thereafter when match the
slave address (7CH).
S
P
M
S
B
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
L
S
B
M
S
B
L
S
B
M
S
B
L
S
B
M
S
B
L
S
B
M
S
B
L
S
B
S
T
O
P
Control byte
(7 CH)
Lower address
(N)
Upper address
(N)
Lower data
(N)
Middle data
(N)
lower data
(N + 1)
SDA
M
S
B
L
S
B
Upper data
(N)
S
T
A
R
T



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