R01UH0823EJ0100 Rev.1.00 Page 910 of 1823
Jul 31, 2019
RX23W Group 32. USB 2.0 Host/Function Module (USBc)
32.2.35 BC Control Register 0 (USBBCCTRL0)
Note 1. Valid when IDMSINKE0 = 1.
Note 2. Valid when IDPSINKE0 = 1.
RPDME0 Bit (D– Pin Pull-Down Control)
When using the battery charging function, set this bit to 1 to control the pull-down resistor of the D– pin.
IDPSRCE0 Bit (D+ Pin IDPSRC Output Control)
With this bit set to 1, when the function controller is selected, current output is enabled upon detection of the connection
of the data pin and the D+ pin is pulled up.
IDMSINKE0 Bit (D– Pin 0.6 V Input Detection (Comparator and Sink) Control)
With this bit set to 1, when the function controller is selected, the USB module detects whether VDMSRC (0.6 V) that is
output from the host to D– upon primary detection is connected, or whether VDPSRC (0.6 V) that is output from the
function to D+ is connected to the function's D– via the host.
VDPSRCE0 Bit (D+ Pin VDPSRC (0.6 V) Output Control)
With this bit set to 1, when the function controller is selected, output is enabled upon primary detection and VDPSRC
(0.6 V) is applied to D+.
Address(es): 000A 00B0h
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
——————
PDDET
STS0
CHGDE
TSTS0
BATCH
GE0
—
VDMS
RCE0
IDPSIN
KE0
VDPSR
CE0
IDMSIN
KE0
IDPSR
CE0
RPDM
E0
Value after reset:
0000000000000000
Bit Symbol Bit Name Description R/W
b0 RPDME0 D– Pin Pull-Down Control 0: Pull-down off
1: Pull-down on
R/W
b1 IDPSRCE0 D+ Pin IDPSRC Output Control 0: Stop
1: 10 μA output
R/W
b2 IDMSINKE0 D– Pin 0.6 V Input Detection
(Comparator and Sink) Control
0: Detection off
1: Detection on (comparator and sink current on)
R/W
b3 VDPSRCE0 D+ Pin VDPSRC (0.6 V) Output
Control
0: Stop
1: 0.6 V output
R/W
b4 IDPSINKE0 D+ Pin 0.6 V Input Detection
(Comparator and Sink) Control
0: Detection off
1: Detection on (comparator and sink current on)
R/W
b5 VDMSRCE0 D– Pin VDMSRC (0.6 V) Output
Control
0: Stop
1: 0.6 V output
R/W
b6 — Reserved This bit is read as 0. The write value should be 0. R/W
b7 BATCHGE0 BC (Battery Charger) Function Ch0
General Enable Control
0: Disabled
1: Enabled
R/W
b8 CHGDETSTS0 D– Pin 0.6 V Input Detection Status
Flag*
1
0: Not detected
1: Detected
R
b9 PDDETSTS0 D+ Pin 0.6 V Input Detection Status
Flag*
2
0: Not detected
1: Detected
R
b15 to b10 — Reserved These bits are read as 0. The write value should be 0. R/W
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