Siemens S50037 USB-Interface, PCM-Interface, SPI-Interface, PIO-Interface, Special Functions

			SieMo S50037 Data Book PRELIMINARILY
USB-Interface
D+	CMOS bi-directional	B1	USB D+
D-	CMOS bi-directional	B2	USB D-
USB_PULL_UP	CMOS bi-directional,	D18	USB Pull-up, internally attached to D+, only
/PIO[2]	pulled down		used with corresponding USB-settings.
USB_WAKE_UP	CMOS bi-directional,	B4	Output goes high to wake up PC when in
=USB_RESUME/	pulled down		USB mode, only used with corresponding USB-settings.
PIO[3]
USB_ON/ PIO[4]	CMOS bi-directional,	D23	USB On (Input. Senses when VBUS is high
	pulled down		wakes SieMo), only used with corresponding USB-
			settings.
USB_DETACH/	CMOS bi-directional,	C1	Chip detaches from USB when this line is
PIO[5]	pulled down		high, only used with corresponding USB-settings.
PCM-Interface
PCM_IN	CMOS input	A1	Synchronous 8kss-1data input
	pulled down
PCM_OUT	CMOS output	A2	Synchronous 8kss-1data output
	pulled down
PCM_SYNC	CMOS bi-directional,	A3	Synchronous data strobe
	pulled down
PCM_CLK	CMOS bi-directional,	A4	Synchronous data clock
	pulled down
SPI-Interface
SPI-CSB	CMOS input, 5V	E13	SPI Chip Select
	tolerant, pulled up
SPI-CLK	CMOS input, 5V	E23	SPI Clock
	tolerant, pulled down
SPI-MOSI	CMOS input, 5V	E33	SPI Data Input
	tolerant, pulled up
SPI-MISO	CMOS output,	E43	SPI Data Output
	tristate
PIO-Interface
PIO[2]/USB_PULL	CMOS bi-directional,	D13	Programmable IO line
_UP	pulled down
PIO[3]/USB_WAK	CMOS bi-directional,	B4	Programmable IO line
E_UP	pulled down
PIO[4]/USB_ON	CMOS bi-directional,	D23	Programmable IO line
	pulled down
PIO[5]/USB_DETA	CMOS bi-directional,	C1	Programmable IO line
CH	pulled down
PIO[6]/	CMOS bi-directional,	D53	Programmable IO line
	pulled down
PIO[7]/	CMOS bi-directional,	D63	Programmable IO line
	pulled down
Special Functions
RESET#	CMOS input	R3	Reset# input
	pulled up
VREG	Output	D4	3.15V regulated output. Can be connected to VCCIO
SCAN_ENABLE	CMOS input	F13	For Test only, do not connect
TEST-A	CMOS input	E53	For Test only, do not connect
TEST-B	CMOS input	E63	For Test only, do not connect
MODE	CMOS input	D33	Selects second Firmware, if programmed
	pulled down
GND
Main GND		B3		'digital'GND
Antenna (RF)		R1,R2,		RF-Ground
GND		T1,T3

8 No Bump

14/30