SN8P2711A
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 25
Version 0.1
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
- - R Z
Y
-
PFLAG
- - - - - - - - -
9
- - - - - - - - - - - - - - - -
A
- - - - - - - - - - - - - -
P4CON VREFH
B
-
ADM
ADB
ADR
- - - -
P0M - - - - - - PEDGE
C
- - - -
P4M
P5M
- -
INTRQ
INTEN OSCM
-
WDTR
TC0R
PCL
PCH
D
P0 - - - P4
P5 - - T0M -
TC0M
TC0C
TC1M
TC1C
TC1R
STKP
E
P0UR -
-
- P4UR
P5UR - @YZ
-
- - - - - - -
F
- - - - - - - -
STK3L
STK3H STK2L STK2H
STK1L
STK1H STK0L STK0H
2.1.4.2 SYSTEM
REGISTER
DESCRIPTION
R = Working register and ROM look-up data buffer.
Y, Z = Working, @YZ and ROM addressing register.
PFLAG = ROM page and special flag register.
P4CON = P4 configuration register.
VREFH = ADC high reference voltage register.
ADM = ADC’s mode register.
ADB = ADC data buffer.
ADR = ADC resolution selection register.
PnM = Port n input/output mode register.
PEDGE = P0.0 edge direction register.
INTRQ = Interrupt request register.
INTEN = Interrupt enable register.
OSCM = Oscillator mode register.
WDTR = Watchdog timer clear register.
TC0R = TC0 auto-reload data buffer.
PCH, PCL = Program counter.
Pn = Port n data buffer.
T0M = TC0/TC1 speed-up and TC0 wake-up function register.
TC0M = TC0 mode register.
TC0C = TC0 counting register.
TC1M = TC1 mode register.
TC1C = TC1 counting register.
TC1R = TC1 auto-reload data buffer.
STKP = Stack pointer buffer.
PnUR = Port n pull-up resister control register.
@YZ = RAM YZ indirect addressing index pointer.
STK0~STK3 = Stack 0 ~ stack 3 buffer.