DF2117VT20V Renesas Electronics America, DF2117VT20V Datasheet - Page 552

• Manufacturer Part Number: DF2117VT20V
• Description: MCU 16BIT FLASH 3V 160K 144-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2117VT20V

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: FIFO, I²C, LPC, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 112
• Program Memory Size: 160KB (160K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-TQFP, 144-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

17.3.12 Modem Status Register (FMSR)
FMSR is a read-only register that indicates the status of or a change in the modem control pins.
Rev. 2.00 Sep. 28, 2009 Page 510 of 994
REJ09B0452-0200
Bit
7
6
5
4
3
2
DCD
Bit Name
RI
DSR
CTS
DDCD
TERI
Initial Value R/W
Undefined
Undefined
Undefined
Undefined
0
0
R
R
R
R
R
R
Clear to Send
Description
Data Carrier Detect
Indicates the inverted state of the DCD input pin.
Ring Indicator
Indicates the inverted state of the RI input pin.
Data Set Ready
Indicates the inverted state of the DSR input pin.
Indicates the inverted state of the CTS input pin.
Delta Data Carrier Indicator
Indicates a change in the DCD input signal after the
DDCD bit is read.
0: No change in the DCD input signal after FMSR
[Clearing condition]
FMSR read
1: A change in the DCD input signal after FMSR
[Setting condition]
A change in the DCD input signal
Trailing Edge Ring Indicator
Indicates a rise in the RI input signal after the TERI
bit is read.
0: No change in the RI input signal after FMSR read
[Clearing condition]
FMSR read
1: A rise in the RI input signal after FMSR read
[Setting condition]
A rise in the RI input pin
read
read