PC87570 Datasheet, PDF (156/168 Pages) National Semiconductor (TI) – PC87570 Keyboard and Power Management Controller

CR16A Register Map
A. CR16A Register Map
ACB Interface
7
6
ACBSDA
ACBST
ACBCST
ACBCTL1
ACBADDR
ACBCTL2
SLVSTP SDAST
Reserved
STASTRE NMINTE
SAEN
5
BER
TGSCL
GCMEN
4
3
2
1
0
DATA
NEGACK STASTR NMATCH
TSDA GMATCH MATCH
ACK Reserved INTEN
ADDR
SCLFRQ
MASTER
BB
STOP
XMIT
BUSY
START
ENABLE
Register Access Value After
Address Type
Reset
FF60h Read/Write
FF62h Read Only 00h
FF64h Read Only 00h
FF66h Read/Write 00h
FF68h Read/Write
FF6Ah Read/Write 00h
ADC
ADCST
ADCCNT1
ADCCNT2
ADCCNT3
ADDATA0
ADDATA1
ADDATA2
ADDATA3
7
6
5
4
3
Reserved
START
Reserved
BUFPTR
Reserved
Reserved
SCAN
CONT
DELAY
RESULT 0 DATA
RESULT 1 DATA
RESULT 2 DATA
RESULT 3 DATA
2
1
OVF
BUSY
INTE INTREF
CHANNEL
CDIV
0
EOC
ADCEN
Register Access Value After
Address Type
Reset
FF20h Read/Write 30h
FF22h Read/Write 00h
FF24h Read/Write 00h
FF26h Read/Write 00h
FF2Ah Read Only
FF2Ch Read Only
FF2Eh Read Only
FF30h Read Only