W79E225A_08 Datasheet, PDF (26/203 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E225A/226A/227A Data Sheet
Continued
SYMBOL DEFINITION
TH0
TL1
TL0
TMOD
TIMER HIGH 0
TIMER LOW 1
TIMER LOW 0
TIMER MODE
TCON
PCON
TH3
TL3
DPH
DPL
SP
P0
TIMER CONTROL
POWER CONTROL
TIMER HIGH 3
TIMER LOW 3
DATA POINTER HIGH
DATA POINTER LOW
STACK POINTER
PORT 0
ADDR MSB
ESS LSB
8CH TH0.7
8BH TL1.7
8AH TL0.7
TH0.6
TL1.6
TL0.6
TH0.5
TL1.5
TL0.5
BIT_ADDRESS,
TH0.4
TL1.4
TL0.4
TH0.3
TL1.3
TL0.3
TH0.2
TL1.2
TL0.2
TH0.1
TL1.1
TL0.1
89H GATE _{C / T} M1
M0
GATE _{C / T} M1
(8F)
(8E)
(8D)
(8C)
(8B)
(8A)
(89)
88H
TF1
TR1
TF0
TR0
IE1
IT1
IE0
87H SMOD SMOD0 -
-
GF1
GF0
PD
85H TH3.7 TH3.6 TH3.5 TH3.4 TH3.3 TH3.2 TH3.1
84H TL3.7 TL3.6 TL3.5 TL3.4 TL3.3 TL3.2 TL3.1
83H DPH.7 DPH.6 DPH.5 DPH.4 DPH.3 DPH.2 DPH.1
82H DPL.7 DPL.6 DPL.5 DPL.4 DPL.3 DPL.2 DPL.1
81H SP.7 SP.6 SP.5 SP.4 SP.3 SP.2 SP.1
80H
(87)
INT5
(86)
INT4
(85)
INT3
(84)
INT2
(83)
/SS
(82)
(81)
SPCLK MOSI
Table 7-2: Special Function Registers
SYMBOL _RESET
TH0.0
TL1.0
TL0.0
M0
0000 0000B
0000 0000B
0000 0000B
0000 0000B
(88)
IT0
IDL
TH3.0
TL3.0
DPH.0
DPL.0
SP.0
(80)
MISO
0000 0000B
00xx 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0000B
0000 0111B
1111 1111B
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Publication Release Date: April 15, 2008
Revision A4.0