SN8P275X Series
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 26
Version 0.7
2.1.4 SYSTEM REGISTER
2.1.4.1
SYSTEM REGISTER TABLE
0 1 2 3 4 5 6 7 8 9 A B C
D
E F
8
L H R Z Y X
PFLAG
RBANK
- - - - - - - -
9
MSPSTAT
MSPM1
MSPM2
MSPBUF
MSPADR
- -
- - - - - - - - -
A
- - - - - - - - - - - - -
-
P4CON
-
B
DAM
ADM
ADB
ADR
SIOM
SIOR
SIOB - P0M
- - - - - -
PEDGE
C
P1W P1M P2M P3M P4M P5M
INTRQ_1
INTEN_1 INTRQ
INTEN
OSCM
-
WDTR
TC0R
PCL PCH
D
P0 P1 P2 P3 P4 P5 -
- T0M
T0C TC0M
TC0C TC1M
TC1C
TC1R
STKP
E
P0UR P1UR P2UR P3UR P4UR P5UR @HL
@YZ
- P1OC
-
-
-
-
-
-
F
STK7L STK7H STK6L STK6H STK5L STK5H STK4L STK4H
STK3L
STK3H
STK2L
STK2H STK1L STK1H STK0L
STK0H
2.1.4.2
SYSTEM REGISTER DESCRIPTION
L, H = Working & @HL addressing register.
R = Working register and ROM lookup data buffer.
X = Working and ROM address register.
Y, Z = Working, @YZ and ROM addressing register.
PFLAG = ROM page and special flag register.
RBANK = RAM Bank Select register.
DAM = DAC’s mode register.
ADM = ADC’s mode register.
ADB = ADC’s data buffer.
ADR = ADC’s resolution selects register.
SIOM = SIO mode control register.
SIOR = SIO’s clock reload buffer.
SIOB = SIO’s data buffer.
P1W = Port 1 wakeup register.
PnM = Port n input/output mode register.
Pn = Port n data buffer.
INTRQ = Interrupts’ request register.
INTEN = Interrupts’ enable register.
OSCM = Oscillator mode register.
PCH, PCL = Program counter.
T0M = Timer 0 mode register.
TC0M = Timer/Counter 0 mode register.
T0C = Timer 0 counting register.
TC0C = Timer/Counter 0 counting register.
TC1M = Timer/Counter 1 mode register.
TC0R = Timer/Counter 0 auto-reload data buffer.
TC1C = Timer/Counter 1 counting register.
TC1R = Timer/Counter 1 auto-reload data buffer.
STKP = Stack pointer buffer.
STK0~STK7 = Stack 0 ~ stack 7 buffer.
@HL = RAM HL indirect addressing index pointer.
@YZ = RAM YZ indirect addressing index pointer.
P4CON= Port 4 configuration setting