UPD78F1211GB-GAF-AX Renesas Electronics America, UPD78F1211GB-GAF-AX Datasheet - Page 696

• Manufacturer Part Number: UPD78F1211GB-GAF-AX
• Description: MCU 16BIT 78K0R/LX3 44-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

Specifications of UPD78F1211GB-GAF-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: 33
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

694
Figure 13-68. Timing Chart of Slave Transmission/Reception (in Continuous Transmission/Reception Mode)
(4) Processing flow (in continuous transmission/reception mode)
register 0n
SCKp pin
INTCSIp
SOp pin
MD0n0
TSF0n
SDR0n
BFF0n
SIp pin
Caution The MD0n0 bit of serial mode register 0n (SMR0n) bit can be rewritten even during operation.
Notes 1. If transmit data is written to the SDR0n register while the BFF0n bit of serial status register 0n
Remarks 1. <1> to <8> in the figure correspond to <1> to <8> in Figure 13-69
SS0n
SE0n
ST0n
Shift
2. The transmit data can be read by reading the SDR0n register during this period. At this time, the
<1> <2>
However, rewrite it before transfer of the last bit is started, so that it has been rewritten
before the transfer end interrupt of the last transmit data.
2. n: Channel number (n = 0 to 2) (n = 2 (78K0R/IB3 and 38-pin products of 78K0R/IC3), n = 0 to 2
(SSR0n) is 1 (valid data is stored in serial data register 0n (SDR0n)), the transmit data is
overwritten.
transfer operation is not affected.
(Note 1)
(44-pin and 48-pin products of 78K0R/IC3, 78K0R/ID3, and 78K0R/IE3))
p: CSI number (p = 00, 01, 10) (p = 10(78K0R/IB3 and 38-pin products of 78K0R/IC3), p = 00, 01,
10 (44-pin and 48-pin products of 78K0R/IC3, 78K0R/ID3, and 78K0R/IE3))
Transmission/Reception (in Continuous Transmission/Reception Mode).
Transmit data 1
Write
<3>
Data transmission/reception (8-bit length)
Reception & shift operation
Receive data 1
Transmit data 1
<2>
Write
Transmit data 2
(Note 2)
CHAPTER 13 SERIAL ARRAY UNIT
(Type 1: DAP0n = 0, CKP0n = 0)
User’s Manual U19678EJ1V1UD
<3>
Data transmission/reception (8-bit length)
Receive data 1
Reception & shift operation
Receive data 2
Transmit data 2
<4> <2>
Read
Write
Transmit data 3
(Note 2)
<3>
Data transmission/reception (8-bit length)
Reception & shift operation
<4>
Receive data 3
Read
Transmit data 3
Receive data 2
<5>
Receive data 3
Flowchart of Slave
Read
<6>
<7><8>