Appendix D –DIO
77
Pico
-IT
X Bo
ar
d
PIC
O
-A
PL1
out dx, al
mov dx, F040h + 00h ; Host Control Register
mov al, 12h ; Start a byte access
out dx, al
call CT_Chk_SMBus_Ready ;R14
ret
Ct_I2CWriteByte Endp
; Wait until the busy bit clears, indicating that the SMBUS
; activity has concluded.
CT_Chk_SMBus_Ready Proc Near
mov dx, F040h + 01h ; Host Status Register
Check_I2C_ByteRead_ForBusy:
in al, dx
test al, 08h
jnz Check_I2C_ByteRead_ForBusy
Check_I2C_ByteRead_ForStatus:
in al, dx
test al, 07h ; HSTS[2:0]=All clearable status bits
jz Check_I2C_ByteRead_ForStatus
ret
CT_Chk_SMBus_Ready Endp
END begin
Содержание PICO-APL1
Страница 1: ...Last Updated June 21 2017 PICO APL1 PICO APL1 Single Board Computer User s Manual 1st Ed...
Страница 14: ...Pico ITX Board PICO APL1 Chapter 1 Chapter 1 Product Specifications...
Страница 17: ...Pico ITX Board PICO APL1 Chapter 2 Chapter 2 Hardware Information...
Страница 20: ...Chapter 2 Hardware Information 7 Pico ITX Board PICO APL1 Rear I O Configuration...
Страница 46: ...Chapter 2 Hardware Information 33 Pico ITX Board PICO APL1 2 4 21 Function Block...
Страница 47: ...Pico ITX Board PICO APL1 Chapter 3 Chapter 3 AMI BIOS Setup...
Страница 55: ...Chapter 3 AMI BIOS Setup 42 Pico ITX Board PICO APL1 3 4 3 Hardware Monitor...
Страница 60: ...Chapter 3 AMI BIOS Setup 47 Pico ITX Board PICO APL1 3 4 7 Setup submenu Chipset...
Страница 61: ...Chapter 3 AMI BIOS Setup 48 Pico ITX Board PICO APL1 3 4 8 North Bridge...
Страница 68: ...Chapter 3 AMI BIOS Setup 55 Pico ITX Board PICO APL1 3 6 Setup submenu Exit...
Страница 69: ...Pico ITX Board PICO APL1 Chapter 4 Chapter 4 Drivers Installation...
Страница 72: ...Pico ITX Board PICO APL1 Appendix A Appendix A Watchdog Timer Programming...
Страница 77: ...Pico ITX Board PICO APL1 Appendix B Appendix B I O Information...
Страница 78: ...Appendix B I O Information 65 Pico ITX Board PICO APL1 B 1 I O Address Map...
Страница 79: ...Appendix B I O Information 66 Pico ITX Board PICO APL1 B 2 Memory Address Map...
Страница 80: ...Appendix B I O Information 67 Pico ITX Board PICO APL1 B 3 IRQ Mapping Chart...
Страница 81: ...Pico ITX Board PICO APL1 Appendix C Appendix C Mating Connectors...
Страница 85: ...Pico ITX Board PICO APL1 Appendix D Appendix D DIO...