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High-Speed Microcontroller Users Guide: DS80C390 S
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Maxim-integrated High-Speed Microcontroller Users Guide: DS80C390 S Manuale Utente Pagina 109
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High-Speed Microcontroller User’s
Guide: DS80C39
0 Supplement
109 of 158
TIMER/COUNTER 2
AUTO RELOAD MODE (/RL2 = 0)
(A) DCEN = 0
TIMER/COUNTER 2
AUTO RELOAD MODE (/RL2 = 0)
(
B
)
DCEN = 1
1
2
...
104
105
106
107
108
109
110
111
112
113
114
...
157
158
DS80C390 Supplement
1
5 of 158
5
MEMORY MAP
6
REGISTER MAP
6
BIT ADDRESSABLE LOCATIONS
6
WORKING REGISTERS
6
7 of 158
7
8 of 158
8
SPECIAL FUNCTION REGISTERS
9
LSHIFT
10
PORT 4 (P4)
14
STACK POINTER (SP)
15
DATA POINTER LOW 0 (DPL)
15
DATA POINTER HIGH 0 (DPH)
15
DATA POINTER LOW 1 (DPL1)
15
DATA POINTER HIGH 1 (DPH1)
16
DATA POINTER SELECT (DPS)
16
POWER CONTROL (PCON)
17
TIMER/COUNTER CONTROL (TCON)
18
TIMER MODE CONTROL (TMOD)
19
TIMER 0 LSB (TL0)
20
TIMER 1 LSB (TL1)
20
TIMER 0 MSB (TH0)
20
TIMER 1 MSB (TH1)
20
CLOCK CONTROL (CKCON)
21
PORT 1 (P1)
22
CE1 CE0
25
CE2 CE1 CE0
25
CE3 CE2 CE1 CE0
25
SERIAL DATA BUFFER 0 (SBUF0)
29
REVISION ID REGISTER (RID)
29
ADDRESS PAGE REGISTER (AP)
30
PORT 2 (P2)
34
PORT 5 (P5)
34
CAN 0 CONTROL REGISTER (C0C)
36
CAN 0 STATUS REGISTER (C0S)
39
INTERRUPT ENABLE (IE)
44
7 6 5 4 3 2 1 0
46
PORT 3 (P3)
50
INTERRUPT PRIORITY (IP)
52
SERIAL PORT CONTROL (SCON1)
55
SERIAL DATA BUFFER 1 (SBUF1)
56
STATUS REGISTER (STATUS)
58
TIMED ACCESS REGISTER (TA)
60
TIMER 2 CONTROL (T2CON)
61
TIMER 2 MODE (T2MOD)
62
TIMER 2 CAPTURE LSB (RCAP2L)
63
TIMER 2 CAPTURE MSB (RCAP2H)
63
TIMER 2 LSB (TL2)
63
TIMER 2 MSB (TH2)
64
CLOCK OUTPUT REGISTER (COR)
64
PROGRAM STATUS WORD (PSW)
65
MULTIPLIER A REGISTER (MA)
68
MULTIPLIER B REGISTER (B)
68
MULTIPLIER C REGISTER (C)
69
WATCHDOG CONTROL (WDCON)
71
ACCUMULATOR (A or ACC)
74
CAN 1 CONTROL REGISTER (C1C)
74
CAN 1 STATUS REGISTER (C1S)
77
B REGISTER (B)
87
SYSTEM CLOCK SELECTION
91
EXTERNAL MEMORY INTERFACING
93
CE0 CE1 CE2 CE3
94
START390.A51 file
95
POWER MANAGEMENT MODES
100
RESET SOURCES
101
POWER-ON/FAIL RESET
101
WATCHDOG TIMER RESET
101
Reset Output Low (RSTOL)
102
IN-SYSTEM DISABLE MODE
103
PORTS 4 AND 5
104
OUTPUT FUNCTIONS
105
TIMER/COUNTER 0 AND 1
106
MODES 0 AND 1
106
TIMER/COUNTER 2
108
CLOCK-OUT MODE
108
(/RL2 = 0)
108
BAUD RATE GENERATOR MODE
108
AUTO RELOAD MODE (/RL2 = 0)
109
DIVIDE-BY-13 OPTION
110
PROGRAMMABLE CLOCK OUTPUT
110
DS80C390
111
22-BIT PAGED ADDRESSING MODE
114
MOVX @DPTR, A)
115
JMP @A+DPTR or the MOVC A
115
CMA=1, xxxx=4010
121
MOVX Data
122
CMA=1, xxxx=4011
123
MEME MDME
132
FRAME TYPES
134
ACK Delimiter
136
End of Frame
136
CRC Field ACK Field
136
CAN INTERRUPTS
139
INTERRUPT
140
VECTOR
140
MESSAGE CENTER 15
141
Transmitting Data Messages
142
Receiving Data Messages
142
Case 1: Automatic Reply
145
USING THE AUTOBAUD FEATURE
149
SYNC_SEG
152
153 of 158
153
QUTSEG t)LEN_TS(t
154
QUSJW t)SJW(t
154
Threefold Bit Sampling:
155
Bus Rate Timing Example:
155
(DS80C390 Supplement Only)
156
157 of 158
157
40-BIT ACCUMULATOR
158
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