參數(shù)資料
型號: TSS463C
廠商: Atmel Corp.
英文描述: VAN Data Link Controller with Serial Interface
中文描述: 凡數(shù)據(jù)與串行接口鏈路控制器
文件頁數(shù): 37/59頁
文件大?。?/td> 492K
代理商: TSS463C
37
TSS463C
7601B–AUTO–02/06
Channel Registers
There is a total of 14 channel register sets, each occupying 8 bytes for addressing sim-
plicity, integrated into the circuit. Each set contains two 2 x 8-bit registers for the
identifier tag, identifier mask and command fields plus two 1 x 8-bit registers for DMA
pointers and message status.
The base_address of each set is:
(0 x 10 + [0x08 * channel_number])
.
When the TSS463C is reset either via the external RESET pin or the general reset com-
mand, the channel registers are not affected. That is, on power-up of the circuit, all the
channel registers start with random values.
Due to this fact, the user should take care to initialize all the channel registers before
exiting from idle mode. The easiest way to disable an channel register is to set the
received and transmitted bits to 1 in the Message Length and Status Register.
Table 9.
Channel Register Sets Map
Table 10.
Channel Register Set Structure
Channel Number
from
to
Channel Number
from
to
6
0x40
0x47
13
0x78
0x7F
5
0x38
0x3F
12
0x70
0x77
4
0x30
0x37
11
0x68
0x6F
3
0x28
0x2F
10
0x60
0x67
2
0x20
0x27
9
0x58
0x5F
1
0x18
0x1F
8
0x50
0x57
0
0x10
0x17
7
0x48
0x4F
Reg. Name
Offset
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ID_MASK
0x07
ID_M [3:0]
x
x
x
x
ID_MASK
0x06
ID_M [11:4]
(No register)
0x05
x
x
x
x
x
x
x
x
(No register)
0x04
x
x
x
x
x
x
x
x
MESS_L /
STA
0x03
M_L [4:0]
CHER
CHTx
CHRx
MESS_PTR
0x02
DRACK
M_P [6:0]
ID_TAG /
CMD
0x01
ID_T [3: 0]
EXT
RAK
RNW
RTR
ID_TAG
0x00
ID_T [11:4]
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