p87c591vfb NXP Semiconductors, p87c591vfb Datasheet - Page 31

• Manufacturer Part Number: p87c591vfb
• Description: Single-chip 8-bit Microcontroller With Can Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes
1. These address locations reflect the FIFO RAM space behind the current message. The contents are randomly after
2. Register at address 8 performs NO system function; reserved for future use.
2000 Jul 26
125 to 127 General purpose RAM
ADDR.
Single-chip 8-bit microcontroller with CAN controller
CAN
115
116
117
118
119
120
121
122
123
124
128
191
power-up and contain the beginning of the next message that is received after the current one. If no further message
is received, parts of old messages may occur here.
...
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
(TXB Memory)
(TXB Memory)
Internal RAM Address 0 (FIFO)
…
Internal RAM Address 63 (FIFO)
READ
Tx Identifier 3
Tx Identifier 4
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
OPERATING MODE
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
(TXB Memory)
(TXB Memory)
General purpose RAM
-
-
-
WRITE
Tx Identifier 3
Tx Identifier 4
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
31
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
(TXB Memory)
(TXB Memory)
General purpose RAM
Internal RAM Address 0 (FIFO)
…
Internal RAM Address 63 (FIFO)
READ
Tx Identifier 3
Tx Identifier 4
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
RESET MODE
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8
(TXB Memory)
(TXB Memory)
General purpose RAM
Internal RAM Address 0 (FIFO)
…
Internal RAM Address 63 (FIFO)
Preliminary Specification
WRITE
P8xC591
Tx Identifier 3
Tx Identifier 4
Tx Data 1
Tx Data 2
Tx Data 3
Tx Data 4
Tx Data 5
Tx Data 6
Tx Data 7
Tx Data 8