UPD78F1203MC-CAB-AX Renesas Electronics America, UPD78F1203MC-CAB-AX Datasheet - Page 799
UPD78F1203MC-CAB-AX
Manufacturer Part Number
UPD78F1203MC-CAB-AX
Description
MCU 16BIT 78K0R/LX3 30-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1203MC-CAB-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
21
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 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1203MC-CAB-AX
Manufacturer:
RENESAS
Quantity:
15 000
Part Number:
UPD78F1203MC-CAB-AX
Manufacturer:
NEC
Quantity:
20 000
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SDA0
SCL0
Figure 14-25 shows the communication reservation timing.
Remark
Communication reservations are accepted via the timing shown in Figure 14-26. After bit 1 (STD) of the IICA
status register (IICS) is set to 1, a communication reservation can be made by setting bit 1 (STT) of IICA
control register 0 (IICCTL0) to 1 before a stop condition is detected.
Figure 14-27 shows the communication reservation protocol.
SDA0
SCL0
SPD
STD
Hardware processing
Program processing
1
IICA:
STT:
STD:
SPD:
2
Standby mode (Communication can be reserved by setting STT to 1 during this period.)
Figure 14-26. Timing for Accepting Communication Reservations
3
Bit 1 of IICA control register 0 (IICCTL0)
IICA shift register
Bit 1 of IICA status register (IICS)
Bit 0 of IICA status register (IICS)
STT = 1
Communi-
cation
reservation
4
Figure 14-25. Communication Reservation Timing
5
CHAPTER 14 SERIAL INTERFACE IICA
6
User’s Manual U19678EJ1V1UD
7
Generate by master device with bus mastership
8
9
Set SPD
and
INTIICA
Write to
IICA
Set
STD
1
2
3
4
5
797
6
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