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Samsung 8-Bit User Manual Page 194
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WATCH TIMER
S3C922
8/P9228
12-
4
NOTES
1
2
...
189
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191
192
193
194
195
196
197
198
199
...
461
462
USER'S MANUAL
1
S3C9228/P9228
2
Important Notice
3
Table of Contents
6
Table of Contents (Continued)
7
Table of Contents (Concluded)
10
List of Figures
12
List of Figures (Continued)
13
List of Figures (Concluded)
15
List of Tables
16
List of Programming Tips
18
List of Register Descriptions
20
1 PRODUCT OVERVIEW
23
FEATURES
24
ADC — Add With Carry
107
ADD — Add
108
AND — Logical AND
109
CALL — Call Procedure
110
CCF — Complement Carry Flag
111
CLR — Clear
112
COM — Complement
113
CP — Compare
114
DEC — Decrement
115
DI — Disable Interrupts
116
EI — Enable Interrupts
117
IDLE — Idle Operation
118
INC — Increment
119
IRET — Interrupt Return
120
JP — Jump
121
JR — Jump Relative
122
LD — Load
123
LDC/LDE — Load Memory
125
— Load Memory and Decrement
127
— Load Memory and Increment
128
NOP — No Operation
129
OR — Logical OR
130
POP — Pop From Stack
131
PUSH — Push To Stack
132
RCF — Reset Carry Flag
133
RET — Return
134
RL — Rotate Left
135
— Rotate Left Through Carry
136
RR — Rotate Right
137
Rotate Right Through Carry
138
SBC — Subtract With Carry
139
SCF — Set Carry Flag
140
SRA — Shift Right Arithmetic
141
STOP — Stop Operation
142
SUB — Subtract
143
Test Complement Under Mask
144
TM — Test Under Mask
145
XOR — Logical Exclusive OR
146
7 CLOCK CIRCUITS
147
S3C9228/P9228 CLOCK CIRCUITS
149
CLOCK CIRCUITS S3C9228/P9228
152
8 RESETRESET and POWER-DOWN
155
POWER-DOWN MODES
156
9 I/O PORTS
161
S3C9228/P9228 I/O PORTS
163
10 BASIC TIMER
177
11 TIMER 1
181
S3C9228/P9228 TIMER 1
183
TIMER 1 S3C9228/P9228
184
12 WATCH TIMER
191
WATCH TIMER CIRCUIT DIAGRAM
193
WATCH TIMER S3C9228/P9228
194
13 LCD CONTROLLER/DRIVER
195
LCD CIRCUIT DIAGRAM
196
LCD PORT CONTROL REGISTER
199
0 1 2 3 74 65 0 1 2 3 74 65
201
OVERVIEW
205
FUNCTION DESCRIPTION
205
BLOCK DIAGRAM
207
SS ≤ ADC input ≤ VDD)
208
15 SERIAL I/O INTERFACE
209
SIO BLOCK DIAGRAM
211
16 ELECTRICAL DATA
213
INTHtINTL
220
DD-0.1 V
223
ELECTRICAL DATA S3C9228/P9228
226
17 MECHANICAL DATA
227
44-QFP-1010B
228
18 S3P9228 OTP
229
(42-SDIP)
230
S3C9228/P9228 S3P9228 OTP
231
S3P9228 OTP S3C9228/P9228
234
19 DEVELOPMENT TOOLS
235
TB9228 TARGET BOARD
237
PIN ASSIGNMENTS
246
PIN DESCRIPTIONS
248
PIN CIRCUIT DIAGRAMS
250
2 ADDRESS SPACES
255
PROGRAM MEMORY (ROM)
256
REGISTER ARCHITECTURE
257
ADDRESS SPACES S3C9228/P9228
258
SYSTEM STACK
259
3 ADDRESSING MODES
261
(see Figure 3-9)
267
Program Memory
269
4 CONTROL REGISTERS
273
FLAGS - System Flags Register
276
— System Flags Register D5H
280
— SIO Control Register E1H
305
– Stop Control Register E0H
306
— System Mode Register DFH
307
5 INTERRUPT STRUCTURE
311
6 SAM88RCRI INSTRUCTION SET
317
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