Maxim Integrated MAX32665 User Manual

MAX32665-MAX32668 User Guide
Maxim Integrated Page 197 of 457
Host Control 1 Register
SDHC_HOST_CN_1
[0x0028]
Bits
Name
Access
Reset
Description
0
led_cn
R/W
0
LED Control
1: LED on
0: LED off
Table 8-67: SDHC Power Control Register
Power Control Register
SDHC_PWR
[0x0029]
Bits
Name
Access
Reset
Description
7:4
-
R/W
0
Reserved for Future Use
Do not modify this field.
3:1
bus_volt_sel
R/W
6
SD Bus Voltage Select
Sets the voltage level for the SD card. Validate the setting against the Capabilities
Register (SDHC_CFG_0).
7: 3.3V typical
6: 3.0V typical
5: 1.8V typical
4: Reserved for Future Use.
3: Reserved for Future Use.
2: Reserved for Future Use.
1: Reserved for Future Use.
0: Reserved for Future Use.
0
bus_power
R/W
0
SD Bus Power
Before setting this bit, configure the SDHC_PWR.bus_volt_sel field. If no card is
detected, then this bit is automatically set to 0 by the SDHC.
1: Power Enabled
0: Power Disabled
Table 8-68: SDHC Block Gap Control Register
Block Gap Control Register
SDHC_BLK_GAP
[0x002A]
Bits
Name
Access
Reset
Description
7:4
-
RO
0
Reserved for Future Use
Do not modify this field.
3
intr
R/W
0
Interrupt at Block Gap
Setting this bit to 1 enables interrupt detection at the block gap for a multiple
block transfer.
1: Enabled
0: Disabled
Note: This bit is only valid if SDHC_PWR.data_transfer_width=1 (4-bit mode).

Maxim Integrated MAX32665 Specifications

General

Brand	Maxim Integrated
Model	MAX32665
Category	Motherboard
Language	English