CMOSTEK CMT2168A - Burning Control Interface and Connection Mode

AN279
Rev 0.7 | 10/32
www.hoperf.com
2.4 Description of burning control interface and connection mode
The burning control interface includes two parts: burning and automation control. For manual control burning,
it only needs to connect the chip by pressing the start button. For batch burning, the chip and automaton
control are connected as follows:
1. Burning interface
The burning interfaces are shown in the following figure and table:
Figure 6. Burning interface
Table 8. Burning interface description
Pin No. Pin name Description Connect to chip pin
1 CSB Selected signal
B2 / S3S_CSB
CSB
2 GND Ground
GND
GND
3 - -
-
-
4 VDD Chip power supply
VDD
VDD
5 CLK RF serial clock signal
B3 / S3S_CLK
SCL
6 - -
-
--
7 DIO RF serial port data signal
B4 / S3S_DIO
SDA
8 - -
-
-
9 - -
-
-
10 VPP Voltage output regulating
B1 / VPP
-
Note
：
Due to the high speed of the burning port signal, connecting line between the recorder and chip needs to
use the same length of flat cable or Dupont line to ensure that the signal timing is correct.