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.