M38503G4AFP#U1 Renesas Electronics America, M38503G4AFP#U1 Datasheet - Page 19

• Manufacturer Part Number: M38503G4AFP#U1
• Description: IC 740/3850 MCU QZ-ROM 42SSOP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38503G4AFP#U1

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 12.5MHz
• Connectivity: SIO, UART/USART
• Peripherals: PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: QzROM
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 42-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

3850 Group (Spec.A QzROM version)
Rev.2.13
REJ03B0125-0213
Fig 13. Structure of port registers (1)
b7
b7
Apr 17, 2009
b0
b0
Page 17 of 56
Port P0, P1, P2 pull-up control register
(PULL012: address 0012
P0 pull-up control bit
P1 pull-up control bit
P2 pull-up control bit
Not used (return “0” when read)
Port P3 pull-up control register
(PULL3: address 0013
P3
P3
P3
P3
P3
Fix these bits to “0”.
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0
1
2
3
4
pull-up control bit
pull-up control bit
pull-up control bit
pull-up control bit
pull-up control bit
16
)
16
)
Note: Pull-up control is valid when the corresponding bit
Note: Pull-up control is valid when the corresponding bit
of the port direction register is “0” (input).
When that bit is “1” (output), pull-up cannot be set
to the port of which pull-up is selected.
of the port direction register is “0” (input).
When that bit is “1” (output), pull-up cannot be set
to the port of which pull-up is selected.