From: Thomas Jarosch Date: Fri, 24 Sep 2010 07:40:00 +0000 (+0200) Subject: Document isochronous transfer mode of FT2232C X-Git-Tag: v1.0rc1~133^2~49 X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=commitdiff_plain;h=3c75ad2a59c0ff5b1def6a0b48d8c6276e07b95f Document isochronous transfer mode of FT2232C --- diff --git a/doc/EEPROM-structure b/doc/EEPROM-structure index df772ea..09c3e45 100644 --- a/doc/EEPROM-structure +++ b/doc/EEPROM-structure @@ -3,18 +3,17 @@ Here we try to document what we know about the EEPROM Structure. Even with a 93xx66 EEPROM, at maximum 256 Bytes are used All important things happen in the first -0x14(FT232/245), 0x16(FT2232CD), 0x18(FT232/245R) or 0x1a (FT2232H/4432H) -bytes +0x14(FT232/245), 0x16(FT2232CD), 0x18(FT232/245R) or 0x1a (FT2232H/4432H) bytes Type | Use extra EEPROM space 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 +00.0 | 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 00.3 | 0 0 channel_a_driver channel_a_driver channel_a_driver channel_a_driver -00.4 | 0 0 high_current_a 0 0 0 +00.4 | 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 @@ -25,12 +24,12 @@ On TYPE_R 00.3 set mean D2XX, on other devices VCP 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 01.3 | 0 0 channel_b_driver 0 channel_b_driver channel_b_driver -01.4 | 0 0 high_current_b 0 0 0 +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 +01.6 | 0 0 0 0 0 01.7 | 0 0 0 0 0 0 -Fixme: Missing 4232H validation and channel_c_driver, channel_d_driver, channel_a|b|c|d_rs484enable +Fixme: Missing 4232H validation and channel_c_driver, channel_d_driver, channel_a|b|c|d_rs484enable 02 | Vendor ID (VID) LSB (all) 03 | Vendor ID (VID) MSB (all) @@ -47,13 +46,13 @@ Fixme: Missing 4232H validation and channel_c_driver, channel_d_driver, channel_ 09 | Max power (mA/2) | Byte.BIT| TYPE_AM TYPE_BM TYPE_2232C TYPE_R TYPE_2232H TYPE_4232H -0a.0 | 0 IsoIn -0a.1 | 0 IsoOut +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 0a.4 | 0 change_usb_version change_usb_version -0a.5 | 0 - reserved -0a.6 | 0 - reserved +0a.5 | 0 0 IsoIn part B 0 0 0 +0a.6 | 0 0 IsoOut part B 0 0 0 0a.7 | 0 - reserved | @@ -81,12 +80,17 @@ Byte.BIT| TYPE_AM TYPE_BM TYPE_2232C TYPE_R TYPE_2232H TYPE_4232 15.7:0 | UA UA 0 CBUS[3] BH D 16.3:0 | UA UA UA CBUS[4] 0 0 16.7:0 | UA UA UA 0 0 0 - + +CHIP values: +0x46: EEPROM is a 93xx46 +0x56: EEPROM is a 93xx56 +0x66: EEPROM is a 93xx66 + 17 UA UA UA 0 0 0 18 UA UA UA VENDOR CHIP CHIP 19 UA UA UA VENDOR 0 0 -1a UA(all) +1a UA (all) Mprog doesn's seem to write this: After last string