BC01B Datasheet, PDF (6/15 Pages) List of Unclassifed Manufacturers – Single Chip Bluetooth Device

Product Data Sheet
Device Terminal Functions (continued)
Terminal Name
UART or USB⁽¹⁾
UART_TX
UART_RX
Pad Type
Ball Description
CMOS output
CMOS input, 5V tolerant
pulled down
A3 UART data output
B3 UART data input
UART_RTS / USB_D+
UART_CTS / USB_D-
CMOS output
CMOS input
A4 UART Ready To Send / USB D+
B4 UART Clear To Send / USB D-
PIO[2] / USB_PULL_UP
Bidirectional
pulled down
C2 USB Pull-Up (via 1.5kΩ resistor to D+)
PIO[3] / USB_WAKE_UP
Bidirectional
pulled down
B1
Output goes high to wake up PC when in USB
mode
PIO[4] / USB_ON
Bidirectional
pulled down
B2
USB On (input senses when VBUS is high,
wakes BlueCore01b)
PIO[5] / USB_DETACH
Test and Debug
SPI_CSB
Bidirectional
pulled down
F4 Chip detaches from USB when this line is high
CMOS input, 5V tolerant
pulled up
D4 SPI Chip Select
SPI_CLK
CMOS input, 5V tolerant
pulled down
D3 SPI Clock
SPI_MOSI
SPI_MISO
TEST_A
TEST_B
RESET
CMOS input, 5V tolerant
pulled down
CMOS output Tristate
-
-
CMOS input with weak
internal pull-down
C4 SPI Data Input
C3 SPI Data Output
J2 Analog test port A
H3 Analog test port B
C1 Reset
SCAN_EN
PIO Port
PIO[0] /RXEN
CMOS input with weak
internal pull-down
E4 For test purposes only (leave unconnected)
Bidirectional
pulled down
D2 Input/Output port or high when RX is enabled
PIO[1] /TXEN
Bidirectional
pulled down
F3 Input/Output port or high when TX is enabled
PIO[2] /USB_PULL_UP
Bidirectional
pulled down
C2 Input/Output port or USB
PIO[3] /USB_WAKE_UP
Bidirectional
pulled down
B1 Input/Output port or USB
PIO[4] /USB_ON
Bidirectional
pulled down
B2 Input/Output port or USB
PIO[5] /USB_DETACH
Bidirectional
pulled down
F4 Input/Output port or USB
PIO[6]
Bidirectional
pulled down
G3 Input/Output port
PIO[7]
Bidirectional
pulled down
G4 Input/Output port
Note:
(1) _{BC01b-USB supports both USB and UART (but not simultaneous operation). BC01b-URT supports UART only.}
Page 6 of 15
Production Information
bc01b-ds-003d