Product Data Sheet

BlueCore 01b Product Data Sheet
TM
bc01b-ds-003d
Product Data Sheet
Production Information
Page 6 of 15
SPI clockD3
Test and Debug
SPI_MOSI
CMOS input, 5V tolerant
pulled down
SPI data inputC4
UART_TX UART data outputA3
UART_RX UART data inputB3
UART or USB
(1)
UART_RTS / USB_D+ CMOS output UART ready to send / USB D+A4
PIO[2] / USB_PULL_UP
Bidirectional
pulled down
USB pull-up (via 1.5kΩ resistor to D+)
C2
UART_CTS / USB_D- CMOS input UART clear to send / USB D-B4
CMOS output
PIO[3] / USB_WAKE_UP
Bidirectional
pulled down
Output goes high to wake up PC when in USB
mode
B1
Terminal Name Pad Type DescriptionBall
CMOS input, 5V tolerant
pulled down
PIO[4] / USB_ON
Bidirectional
pulled down
USB on (input senses when VBUS is high,
wakes BlueCore01b)
B2
PIO[5] / USB_DETACH
Bidirectional
pulled down
Chip detaches from USB when this line is highF4
Device Terminal Functions (continued)
SPI_CLK
CMOS input, 5V tolerant
pulled down
SPI_CSB SPI chip selectD4
CMOS input, 5V tolerant
pulled up
TEST_A - Analog test port AJ2
SPI_MISO CMOS output Tristate SPI data outputC3
PIO[0] /RXEN
Bidirectional
pulled down
PIO[2] /USB_PULL_UP
Bidirectional
pulled down
Input/Output port or USBC2
PIO[1] /TXEN
Bidirectional
pulled down
Input/Output port or high when TX is enabledF3
PIO Port
PIO[3] /USB_WAKE_UP
Bidirectional
pulled down
RESET
CMOS input with weak
internal pull-down
ResetC1
Input/Output port or high when RX is enabledD2
Input/Output port or USBB1
TEST_B - Analog test port BH3
SCAN_EN
CMOS input with weak
internal pull-down
For test purposes only (leave unconnected)E4
PIO[4] /USB_ON Input/Output port or USBB2
PIO[5] /USB_DETACH Input/Output port or USB
PIO[7]
Bidirectional
pulled down
Input/Output portG4
Bidirectional
pulled down
Bidirectional
pulled down
F4
PIO[6]
Bidirectional
pulled down
Input/Output portG3
Note:
(1)
BC01b-USB supports both USB and UART (but not simultaneous operation). BC01b-URT supports UART only.