DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 324

• Manufacturer Part Number: DF2148RTE20IV
• Description: MCU 5V 128K I-TEMP,PB-FREE, 100-
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148RTE20IV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 8 I/O Ports
8.12.4
Port B has a built-in MOS input pull-up function that can be controlled by software. This MOS
input pull-up function can be used in modes 1, 2 and 3 (EXPE = 1) with the ABW bit in WSCR
set to 1, and in modes 2 and 3 (EXPE = 0), and can be specified as on or off on a bit-by-bit basis.
When a PBDDR bit is cleared to 0, setting the corresponding PBODR bit to 1 turns on the MOS
input pull-up for that pin. When a pin is designated as an on-chip supporting module output pin,
the MOS input pull-up is always off.
The MOS input pull-up function is in the off state after a reset and in hardware standby mode. The
prior state is retained in software standby mode.
Table 8.27 summarizes the MOS input pull-up states.
Table 8.27 MOS Input Pull-Up States (Port B)
Mode
1, 2, 3 (EXPE = 1) with
ABW in WSCR = 0
1, 2, 3 (EXPE = 1) with
ABW in WSCR = 1, and
2, 3 (EXPE = 0)
Legend:
Off:
On/Off: On when PBDDR = 0 and PBODR = 1; otherwise off.
Rev. 4.00 Sep 27, 2006 page 278 of 1130
REJ09B0327-0400
MOS input pull-up is always off.
MOS Input Pull-Up Function
Reset
Off
Hardware
Standby Mode
Off
Software
Standby Mode
Off
On/Off
In Other
Operations
Off
On/Off