Maxim-integrated High-Speed Microcontroller Users Guide: DS80C390 S Manuale Utente Pagina 70
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High-Speed Microcontroller User’s Guide: DS80C390 Supplement
70 of 158
C1RMS0.2
Bit 2
Message Center 3, Message Received and Stored
C1RMS0.1
Bit 1
Message Center 2, Message Received and Stored
C1RMS0.0
Bit 0
Message Center 1, Message Received and Stored
CAN 1 RECEIVE MESSAGE STORED REGISTER 1 (C1RMS1)
7 6 5 4 3 2 1 0
SFR D7h
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
R = Unrestricted Read, -n = Value after Reset
CAN 1 Receive Message Stored Register 1. This register indicates which of
CAN 1 message centers 9-15 have successfully received and stored a
message since the last read of this register. A logic one in a location indicates
a message has been received and stored for that message center. This register
is automatically cleared to 00h when read. This register should always be
read in conjunction with the C1RMS0 register to ascertain the status of all
message centers.
Bit 7 Reserved
C1RMS1.6
Bit 6
Message Center 15, Message Received and Stored
C1RMS1.5
Bit 5
Message Center 14, Message Received and Stored
C1RMS1.4
Bit 4
Message Center 13, Message Received and Stored
C1RMS1.3
Bit 3
Message Center 12, Message Received and Stored
C1RMS1.2
Bit 2
Message Center 11, Message Received and Stored
C1RMS1.1
Bit 1
Message Center 10, Message Received and Stored
C1RMS1.0
Bit 0
Message Center 9, Message Received and Stored
- 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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