FT2XXB | No
Byte.BIT| TYPE_AM TYPE_BM TYPE_2232C TYPE_R TYPE_2232H TYPE_4232H
-00.0 | 0 0 channel_a_type channel_a_type channel_a_type
-00.1 | 0 0 channel_a_type channel_a_type channel_a_type
-00.2 | 0 0 channel_a_type high_current channel_a_type channel_a_type
+00.0 | 0 0 channel_a_type 232R/245R channel_a_type 0
+00.1 | 0 0 channel_a_type channel_a_type 0
+00.2 | 0 0 channel_a_type high_current channel_a_type 0
00.3 | 0 0 channel_a_driver channel_a_driver channel_a_driver channel_a_driver
00.4 | 0 0 high_current_a 0 0 0
00.5 | 0 0 0 0 0 0
00.6 | 0 0 0 0 0 0
-00.7 | 0 0 0 0 SUSPEND_DBUS7 0
+00.7 | 0 0 0 0 SUSPEND_DBUS7 channel_c_driver
+On TYPE_R 00.0 is set for the FT245R and cleared for the FT232R
On TYPE_R 00.3 set mean D2XX, on other devices VCP
-01.0 | 0 0 channel_b_type channel_b_type channel_b_type
-01.1 | 0 0 channel_b_type channel_b_type channel_b_type
-01.2 | 0 0 channel_b_type 0 channel_b_type channel_b_type
+01.0 | 0 0 channel_b_type channel_b_type 0
+01.1 | 0 0 channel_b_type channel_b_type 0
+01.2 | 0 0 channel_b_type 0 channel_b_type 0
01.3 | 0 0 channel_b_driver 0 channel_b_driver channel_b_driver
01.4 | 0 0 high_current_b 0 0 0
01.5 | 0 0 0 0 0 0
01.6 | 0 0 0 0 0
-01.7 | 0 0 0 0 0 0
+01.7 | 0 0 0 0 0 channel_d_driver
-Fixme: Missing 4232H validation and channel_c_driver, channel_d_driver, channel_a|b|c|d_rs484enable
+Fixme: Missing 4232H validation
02 | Vendor ID (VID) LSB (all)
03 | Vendor ID (VID) MSB (all)
|
09 | Max power (mA/2)
|
-Byte.BIT| TYPE_AM TYPE_BM TYPE_2232C TYPE_R TYPE_2232H TYPE_4232H
-0a.0 | 0 IsoIn IsoIn part A 0 0 0
-0a.1 | 0 IsoOut IsoOut part A 0 0 0
-0a.2 | 0 suspend_pull_down suspend_pull_down suspend_pull_down
-0a.3 | 0 use_serial use_serial
+Byte.BIT| TYPE_AM TYPE_BM TYPE_2232C TYPE_R TYPE_2232H TYPE_4232H
+0a.0 | 0 IsoIn IsoIn part A 0 0 0
+0a.1 | 0 IsoOut IsoOut part A 0 0 0
+0a.2 | 0 suspend_pull_down suspend_pull_down suspend_pull_down suspend_pull_down
+0a.3 | 0 use_serial use_serial use_serial
0a.4 | 0 change_usb_version change_usb_version
-0a.5 | 0 0 IsoIn part B 0 0 0
-0a.6 | 0 0 IsoOut part B 0 0 0
+0a.5 | 0 0 IsoIn part B 0 0 0
+0a.6 | 0 0 IsoOut part B 0 0 0
0a.7 | 0 - reserved
- |
-0b | TYPE_R Bitmask Invert, 0 else
+0b | TYPE_R Bitmask Invert, 0 else
+Byte.BIT| TYPE_4232H
+0b.4 | channel_a_rs485enable
+0b.5 | channel_b_rs485enable
+0b.6 | channel_c_rs485enable
+0b.7 | channel_d_rs485enable
Byte | TYPE_AM TYPE_BM TYPE_2232C TYPE_R TYPE_2232H TYPE_4232H
0c | 0 USB-VER-LSB USB-VER-LSB 0 ? ?
Additional fields after the serial string:
-One byte: 0 - reserved for "legacy port name prefix"
-One byte: 0 - reserved for "legacy port name prefix"
-One byte: 0 - reserved for plug and play options
+0x00, 0x00 - reserved for "legacy port name prefix"
+0x00, 0x00 - reserved for plug and play options
(Observed values with PnP == 0:
-0x02 0x03 0x01)
+0x02 0x03 0x01 0x00)
Note: The additional fields after the serial number string
collide with the official FTDI formula from AN_121 regarding