Control Registers; Tsrvr Ch.n Temperature Sensor Control Register; Tsrvr Ch.n Reference Voltage Generator Control Register - Epson S1C17W18 Technical Manual

21.4 Control Registers

TSRVR Ch.n Temperature Sensor Control Register

Register name Bit
TSRVRnTCTL 15–8 –
7–1 –
0
Bits 15–1 Reserved
Bit 0 TEMPEN
This bit enables the temperature sensor operation.
1 (R/W): Enable temperature sensor output
0 (R/W): Disable temperature sensor output

TSRVR Ch.n Reference Voltage Generator Control Register

Register name Bit
TSRVRnVCTL 15–8 –
7–2 –
1–0 VREFAMD[1:0]
Bits 15–2 Reserved
Bits 1–0 VREFAMD[1:0]
These bits set the reference voltage generator output voltage.
TSRVRnVCTL.VREFAMD[1:0] bits
Notes: • Be aware that VREFA operating current I
bits are set to 0x2 or 0x3.
• When the TSRVRnVCTL.VREFAMD[1:0] bits are not set to 0x0, do not apply an external volt-
age to the VREFAm pin.
S1C17W18 TECHNICAL MANUAL
(Rev. 1.2)
21 TEMPERATURE SENSOR/REFERENCE VOLTAGE GENERATOR (TSRVR)
Bit name Initial
0x00
0x00
TEMPEN 0
Bit name Initial
0x00
0x00
0x0
Table 21.4.1 Output Voltage Settings
0x3
0x2
0x1
0x0
Seiko Epson Corporation
Reset R/W
– R –
H0 R
H0 R/W
Reset R/W
– R –
H0 R
H0 R/W
Output voltage
2.5 V output
2.0 V output
V level output
DD
Hi-Z (An external voltage can be applied.)
flows when the TSRVRnVCTL.VREFAMD[1:0]
VREFA
Remarks
Remarks
21-3