THCV231_16 Datasheet, PDF (27/56 Pages) THine Electronics, Inc. – The THCV231 and THCV236 are designed to support video data transmission between the host and display.

Table 27. THCV231, THCV236(RXDEFSEL=0) Through GPIO register setting
Device
Sub-Link
Master/Slave
GPIO
Input/Output
Number
Input Output
GPIO4 , GPIO3
Input/Output Configuration
(I:Input, O:Output)
GPIO4
GPIO3
Register Settings
GPIO Type
GPIO IO Direction
Address
(HEX)
Value
(BIN)
Address
(HEX)
Value
(BIN)
THCV231
Slave
0
2
O
O
0xC0
XXX11XXX
0xC3
XXX00XXX
THCV236
Master
2
0
I
I
0x40
XXX11XXX
0x43
XXX11XXX
Programmable GPIO
Settings input/output and reading/writing are controlled by register settings in the Sub-Link Master. HOST
MPU commands register setting in the Sub-Link Master.
HOST
MPU
2-wire
Serial
I/F
THCV236
(Sub-Link Master)
GPIO Input : Read 0x41,0xC1 value
GPIO Output : Write 0x42,0xC2 value
Sub-Link
Control Block
THCV231
(Sub-Link Slave)
Sub-Link
Control Block
GPIO4
|
GPIO3
(Input
or
IO
Output)
Pull-up for
Open Drain
Output
(default)
Register
ADR
Name
Value
0x40 GPIOn_TYPE (n=4~3)
0x41 GPIOn_INPUT_MONITOR (n=4~3)
0x42 GPIOn_OUT (n=4~3)
0x43 GPIO_IO_SEL
0
GPIO
Input Value
GPIO
Ouput Value
(*1)
0x46 GPIOn_OUTBUF_SEL (n=4~3) 0 or 1
Register
ADR
Name
Value
0xC0 GPIOn_TYPE (n=4~3)
0
0xC1 GPIOn_INPUT_MONITOR (n=4~3)
0xC2 GPIOn_OUT (n=4~3)
GPIO
Input Value
GPIO
Output Value
0xC3 GPIO_IO_SEL
(*1)
0xC6 GPIOn_OUTBUF_SEL (n=4~3) 0 or 1
*1 See Table 28,Table 29
Figure 12. Programmable GPIO
GPIO4
|
GPIO3
IO
(Input
or
Output)
Pull-up for
Open Drain
Output
(default)
Register settings are required according to the number of GPIO used by customer. See Table 28 and Table 29.
When the number of GPIO used by customer is less than the value listed in Table 28 and Table 29, choose any
setting which includes that.
Sub-Link
Master/Slave
Slave
Table 28. THCV231 Programmable GPIO register setting
GPIO
Input/Output
Number
Input Output
2
0
1
1
0
2
GPIO4 – GPIO3
Input/Output Configuration
(I:Input, O:Output)
GPIO4
GPIO3
I
I
I
O
O
O
Register Settings
GPIO Type
GPIO IO Direction
Address
(HEX)
0xC0
Value
(BIN)
XXX00000
Address
(HEX)
0xC3
Value
(BIN)
XXX11XXX
XXX10XXX
XXX00XXX
Table 29. THCV236 Programmable GPIO register setting (RXDEFSEL=0)
Sub-Link
Master/Slave
Master
GPIO
Input/Output
Number
Input Output
2
0
1
1
0
2
GPIO4 – GPIO0
Input/Output Configuration
(I:Input, O:Output, -:Unavailable)
GPIO4 GPIO3 GPIO2 GPIO1 GPIO0
I
I
-
-
-
I
O
-
-
-
O
O
-
-
-
Register Settings
GPIO Type
GPIO IO Direction
Address
(HEX)
0x40
Value
(BIN)
Address
(HEX)
XXX00XXX
0x43
Value
(BIN)
XXX11XXX
XXX10XXX
XXX00XXX
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