Applied Data Systems Bitsy Plus, User Manual, Page: 4 / 68

Bitsy Plus User’s Manual
Page ii ADS document # 110114-1001A
A
New Information
Update PD3 from /RqOnOff to CPLD wakeup in section 4.3.7
Update SA-1110 signal cross-reference (4.1.6) with GP11 and GP12
changes
Add notes about the USB_Reconn signal in sections 3.3.3 and 4.5.2.
Add ADSmartIO voltage reference power control to section 5.3.2
and 6.2.6.
Expand information about A/Ds and digital I/Os in section 1.2.6
Expand information about connections for external interrupt sources,
section 4.1.4
Add section 5.4.2, Power Loads During Sleep
Add cross-references to section 3.3.1 (J1).
Expand introduction to section 5.2
Add note about /BacklightOn changes in Revision History (7.2.1)
Add FAQ about LEDs in section 2.2
Add introduction to section 4.5
Add details about processor voltages (6.2.10)
Expand information about PCMCIA/CF current leaks during sleep
(6.2.12)
Add "Printing this Manual" section
Add pin direction information to pinouts (3.3)
Add note about change in 3.3V PCMCIA power control (7.2.4)
Add information about driver of LED; expand note about GP20,
which is shared by LED0/DTR1 (3.1.2)
Add rev. 5 Vref and /RqOnOff changes to power management
diagram (5.3.2)
Add diagram of audio architecture (6.2.9)
Update mechanical drawing and clearances (6.1.1) and note lower
height profile (7.2.4)
Add 5-wire touch panel signal names to J3 signal table (3.3.3)
Add detail about availability of 128 MiB RAM (1.2.3, 4.1.2)
Remove unimplemented "Reset CPU" feature from ADSmartIO
table (4.3.2)
Update USB wording and add details about the USB_Reconn signal
(4.5.2)
Add USB devices to 5V and Sleep loads (5.4.1, 5.4.2)
Credit Linear Tech for "Burst Mode" (5.3.8)
Change diode in battery charger to fuse (5.5.3)
Clarified USB_PWR_SENSE and USB_PWR_CTRL voltage specs
(6.2.8)
Add section 5.3.3, System Sleep