Profichip VPC3+S - Page 33

ASIC Interface 5
VPC3+S User Manual
Revision 1.04
33
Copyright © profichip GmbH, 2012
Status Register,Low-Byte, Address 04H (Intel):
bit 7,6
r-00
WD_State 1..0: State of the Watchdog State Machine
00 = BAUD_SEARCH state
01 = BAUD_CONTROL state
10 = DP_CONTROL state
11 = Not possible
bit 5,4
r-00
DP_State 1..0: State of the DP State Machine
00 = WAIT-PRM state
01 = WAIT-CFG state
10 = DATA-EXCH state
11 = Not possible
bit 3
r-0
Reserved
bit 2
r-0
Diag_Flag: Status of the Diagnosis-Buffer
0 = The Diagnosis-Buffer had been fetched by the DP-Master.
1 = The Diagnosis-Buffer had not been fetched by the DP-Master yet.
bit 1
r-0
Reserved
bit 0
r-0
Offline/Passive-Idle: Offline-/Passive_Idle state
0 = VPC3+S is in Offline.
1 = VPC3+S is in Passive_Idle.
Figure 5-6: Status Register, Low-Byte
Status Register, High-Byte, Address 05H (Intel):
bit 15-12
r-1110
VPC3+-Release 3..0 : Release number for VPC3+
1110
bit 11-8
r-1111
Baud Rate 3..0 : The baud rate found by VPC3+S
0000 = 12,00 Mbit/s
0001 = 6,00 Mbit/s
0010 = 3,00 Mbit/s
0011 = 1,50 Mbit/s
0100 = 500,00 Kbit/s
0101 = 187,50 Kbit/s
0110 = 93,75 Kbit/s
0111 = 45,45 Kbit/s
1000 = 19,20 Kbit/s
1001 = 9,60 Kbit/s
1111 = after reset and during baud rate search
Rest = not possible
Figure 5-7: Status Register, High-Byte