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@@ -1,4 +1,7 @@
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+F1 PINS
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+*******
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+
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Debug Console:
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--------------
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USART1: (Rx:DMA1/5, Tx:DMA1/4)
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@@ -33,15 +36,61 @@ TimerOut: (AFO_opendrain or AFO_pushpull)
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Unused Pins:
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------------
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-All to be pulled high:
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+Firmware pulls these high, internally:
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PA1-8,13-15
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PB0-2,5
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PC0-15
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-Floppy bus connections:
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------------------------
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-Inputs: Pull to 5v via 1k.
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-Outputs: Drive open-collector 2N3904, 1k base resistor.
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+
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+F7 PINS
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+*******
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+
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+SWD:
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+----
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+ PA13 SWDIO
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+ PA14 SWCLK
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+
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+Serial Debug:
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+-------------
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+ PA9 TX
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+ PA10 RX
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+
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+USB:
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+----
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+ PB14 USB_DM
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+ PB15 USB_DP
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+
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+Floppy:
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+-------
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+GPIn:
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+ PB2 8: IDX
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+ PA3 26: TRK0
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+ PA1 28: WRPROT
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+GPOut:
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+ PB12 2: DENSEL
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+ PB1 10: MTR_A
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+ PB0 12: SEL_B
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+ PB11 14: SEL_A
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+ PB10 16: MTR_B
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+ PC4 18: DIR
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+ PA7 20: STEP
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+ PA6 24: DKWE
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+ PC3 32: SIDE
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+TimerIn:
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+ PA0 30: DKRD (Timer2/1, CC1:DMA1/Stream5/Chn3)
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+TimerOut:
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+ PA2 22: DKWD (Timer2/3, UP:DMA1/Stream1/Chn3)
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+
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+Unused Pins:
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+------------
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+Firmware pulls these high, internally:
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+ PA4-5,8,11-12,15
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+ PB3-9,13
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+ PC0-2,5-15
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+
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+
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+FLOPPY HEADER
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+*************
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IBM/PC 34-pin Floppy Host Interface:
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------------------------------------
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Keir Fraser