UPD78F1233GB-GAH-AX Renesas Electronics America, UPD78F1233GB-GAH-AX Datasheet - Page 211

• Manufacturer Part Number: UPD78F1233GB-GAH-AX
• Description: MCU 16BIT 78K0R/LX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

Specifications of UPD78F1233GB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 40MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

4.4.4 Connecting to external device with different power potential (2.5 V, 3 V)
on a 2.5V or 3 V power supply voltage are possible.
PIM7).
open drain (V
(1) Setting procedure when using I/O pins of UART0
When parts of port 3 and 7 operate with V
Regarding inputs, CMOS/TTL switching is possible on a bit-by-bit basis by port input mode registers (PIM3 and
Moreover, regarding outputs, different power potentials can be supported by switching the output buffer to the N-ch
(a) Use as 2.5V or 3 V input port
Notes 1. In the 78K0R/IB3, UART0 cannot be used to communicate between devices with different power
<1> After reset release, the port mode is the input mode (Hi-Z).
<2> If pull-up is needed, externally pull up the pin to be used (on-chip pull-up resistor cannot be used).
<3> Set the corresponding bit of the PIMn register to 1 to switch to the TTL input buffer.
<4> V
Remark
DD
withstand voltage) by the port output mode registers (POM3 and POM7).
IH
2. The 78K0R/IB3 and the 38-pin products of the 78K0R/IC3 doesn’t have CSI00 and CSI01.
/V
potentials.
IL
n = 3 and 7 (78K0R/IB3 : n = 3 )
operates on a 2.5V or 3 V operating voltage.
In case of UART0
In case of UART1
In case of CSI00
In case of CSI01
In case of CSI10
Note 2
Note 2
Note 1
CHAPTER 4 PORT FUNCTIONS
DD
:P31
:P74, P75
:P71, P72
:P31, P32
:P72 (38-pin products of 78K0R/IC3)
User’s Manual U19678EJ1V1UD
P74 (44-pin and 48-pin products of 78K0R/IC3, 78K0R/ID3 and
78K0R/IE3)
= 4.0 V to 5.5 V, I/O connections with an external device that operates
Note 1
, UART1, CSI00
Note 2
, CSI01
Note 2
, and CSI10 functions
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