No.(7)-(10) - Panasonic KX-DT543-B Service Manual

11.4.2.

No.(7)-(10)

(7) IC150(ASIC2) - IC410(DCX81) signal (Communication)
(8) IC300(ASIC1) - IC410(DCX81) signal (Reset)
(10) IC300(ASIC1) - IC410(DCX81) signal (PCM)
43pin(I2C_SCL)
of IC150
44pin(I2C_SDA)
of IC150
(9) IC300(ASIC1) - IC410(DCX81) signal (SPI2)
VCC33
1pin(RESET)
of IC300
PCM_SCLK
PCM_FSYNC
PCM_TXD
PCM_RXD
51
KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B
43pin(I2C_SCL)
of IC150
44pin(I2C_SDA)
of IC150
SPI2_CLK
SPI2_CS
SPI2_DO
SPI2_DI