UPD78F0555MA-FAA-AX Renesas Electronics America, UPD78F0555MA-FAA-AX Datasheet - Page 600

• Manufacturer Part Number: UPD78F0555MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0555MA-FAA-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 9
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0/Kx2-L
(3) Timing of output to SO1n pin (first bit)
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
When communication is started, the value of transmit buffer register 1n (SOTB1n) is output from the SO1n pin. The
output operation of the first bit at this time is described below.
The first bit is directly latched by the SOTB1n register to the output latch at the falling (or rising) edge of SCK1n, and
output from the SO1n pin via an output selector. Then, the value of the SOTB1n register is transferred to the SIO1n
register at the next rising (or falling) edge of SCK1n, and shifted one bit. At the same time, the first bit of the receive
data is stored in the SIO1n register via the SI1n pin.
The second and subsequent bits are latched by the SIO1n register to the output latch at the next falling (or rising)
edge of SCK1n, and the data is output from the SO1n pin.
Remark 78K0/KA2-L (25, 32-pin products):
78K0/KB2-L:
78K0/KC2-L:
Writing to SOTB1n or
Writing to SOTB1n or
reading from SIO1n
reading from SIO1n
Output latch
Output latch
SOTB1n
SOTB1n
SCK1n
SCK1n
SIO1n
SIO1n
SO1n
SO1n
Figure 16-17. Output Operation of First Bit (1/2)
(b) Type 3: CKP1n = 1, DAP1n = 0
(a) Type 1: CKP1n = 0, DAP1n = 0
CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
n = 1
n = 0
n = 0, 1
First bit
First bit
2nd bit
2nd bit
586