UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 107

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 10x12b, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(7) Port settings
Caution To switch to external interrupt input (INTPn) from the port mode (by changing the
Remark
(when three or more alternate
Set the ports as follows.
functions are available)
functions are available)
(when two alternate
Alternate function 1
Alternate function 2
Alternate function 1
Alternate function 2
Alternate function 3
Alternate function 4
Alternate function
Alternate function
<1> Set the PFCn and PFCEn registers.
<2> Set the PMCn register.
<3> Set the INTRk, INTFk, ADTR, and ADTF registers (when external interrupt pin is set).
PMCa.PMCam bit from 0 to 1), an external interrupt may be input if a wrong valid edge is
detected. Therefore, be sure to set “no edge detection” by INTRk, INTFk, ADTR, or ADTF
register, select external interrupt input (INTPn), and then specify the valid edge (V850E/IF3: n
= 00, 01, 08 to 18, ADT0, ADT1, a = 0 to 4, m = 0 to 7, k = 0 to 2, V850E/IG3: n = 00 to 18, ADT0,
ADT1, a = 0 to 4, m = 0 to 7, k = 0 to 2)).
When switching to the port mode from external interrupt input (INTPn) (by changing the
PMCam bit = from 1 to 0), an edge may be detected. Therefore, be sure to set “no edge
detection” by INTRk, INTFk, ADTR, or ADTF register, and then select the port mode.
Switch to the alternate function using the following procedure (for n, see Tables 4-3 and 4-4).
If the PMCn register is set before setting the PFCn and PFCEn registers, an unexpected peripheral
function may be selected while the PFCn and PFCEn registers are being set.
Output mode
Input mode
Port mode
Figure 4-3. Register Settings and Pin Functions
(a)
(b)
(d)
(c)
"0"
"1"
"0"
"1"
CHAPTER 4 PORT FUNCTIONS
User’s Manual U18279EJ3V0UD
PFCEn register
PFCn register
PFCn register
PMn register
"0"
"1"
(a)
(b)
(c)
(d)
PFCEnm
PMCn register
0
0
1
1
PFCnm
0
1
0
1
105