PCF8833 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCF8833' PDF : 112 Pages View PDF
Philips Semiconductors
STN RGB - 132 × 132 × 3 driver
Objective specification
PCF8833
6.2.6 READ DISPLAY IDENTIFICATION INFORMATION
The Read Display Identification Information (RDDIDIF)
command returns a 24-bit display identification
information. The identification information is valid only
5 ms after applying a hardware reset. Therefore the
RDDIDIF command should not be sent earlier than 5 ms
after a hardware reset.
The input and output data format is given in Table 9. After
the command byte 04H is sent, the read starts with one
dummy clock cycle followed by the 3 status bytes (see
Fig.47).
When less than 25 read clock cycles are sent in Serial
mode, the identification information read must be
interrupted by a hardware reset or rising edge of SCE.
The definition of the display identification bits is given in
Table 11.
Table 8 Read display identification information register bits
D/C
7
6
5
4
3
2
1
0
DEFAULT
0
0
0
0
0
0
1
0
0
04H
Table 9 RDDIDIF data format for Serial mode
BIT
D/C
7
6
5
4
3
2
1
(S)DIN
0
(S)DOUT
−
(S)DOUT
−
−
−
0
0
0
0
0
1
0
X (only one dummy clock cycle, not a full byte)
D23
D22
D21
D20
D19
D18
D17
D15
D14
D13
D12
D11
D10
D9
D7
D6
D5
D4
D3
D2
D1
0
DEFAULT
0
04H
X
D16
45H
D8
XX
D0
XX
Table 10 RDDIDIF data format for Parallel mode
D/C
7
6
5
4
3
2
1
0
DEFAULT
0
0
0
0
0
0
1
0
0
04H
1
X
X
X
X
X
X
X
X
XX
1
D23
D22
D21
D20
D19
D18
D17
D16
45H
1
D15
D14
D13
D12
D11
D10
D9
D8
XX
1
D7
D6
D5
D4
D3
D2
D1
D0
XX
Table 11 Description of the display identification bits
BIT
D[23:16]
D15
D[14:8]
D[7:0]
BIT DESCRIPTION
manufacturer ID
driver/module ID
(STN B/W = 0 and
STN Colour = 1)
driver/module version ID
driver/module code
RD BYTE
RDID1
RDID2
RDID3(1)
REMARK
hard wired = 45H
OTP programmed;
see Chapter 15
OTP programmed;
see Chapter 15
Note
1. RDID3 will be programmed in OTP cells. This ID can be set to 03H by the module maker.
2003 Feb 14
17
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