DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 234

• Manufacturer Part Number: DF2148BTE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148BTE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SCI, X-Bus
• Peripherals: 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148BTE20; HD64F2148BTE20

Section 8 I/O Ports
Note: n = 3 to 0
8.3.5
Port 2 has an on-chip input pull-up MOS function that can be controlled by software. This input
pull-up MOS function can be specified as on or off on a bit-by-bit basis.
Table 8.3 summarizes the input pull-up MOS states.
Table 8.3
Mode
1
2, 3
Legend:
Off:
On/Off: On when the pin is in the input state, P2DDR = 0, and P2PCR = 1; otherwise off.
Rev. 3.00 Mar 21, 2006 page 178 of 788
REJ09B0300-0300
Operating
Mode
P2nDDR
OEm
Pin Function
P23/A11/PW11, P22/A10/PW10, P21/A9/PW9, P20/A8/PW8
The pin function is switched as shown below according to the combination of the OEm bit in
PWOERB of PWM, the P2nDDR bit, and operating mode.
m = 11 to 8
Input pull-up MOS is always off.
Port 2 Input Pull-Up MOS
Input Pull-Up MOS States (Port 2)
A11 to A8
Mode 1
Reset
Off
output
pins
—
—
P20 input
P23 to
pins
—
0
Mode 2, 3 (EXPE = 1)
Hardware
Standby Mode
Off
A11 to A8
output
pins
0
1
PW11 to
output
PW8
pins
Software
Standby Mode
Off
On/Off
1
P20 input
P23 to
pins
—
0
Mode 2, 3 (EXPE = 0)
In Other
Operations
Off
On/Off
P23 to
output
pins
P20
0
1
PW11 to
output
PW8
pins
1