UPD78F1203MC-CAB-AX Renesas Electronics America, UPD78F1203MC-CAB-AX Datasheet - Page 560
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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9.4.2 Shifting to STOP mode after starting operation
INTRTC interrupt has occurred.
558
• Shifting to STOP mode when at least two subsystem clocks (f
• Checking by polling RWST to become 1, after setting RTCE to 1 and then setting RWAIT to 1. Afterward, setting
Perform one of the following processing when shifting to STOP mode immediately after setting RTCE to 1.
However, after setting RTCE to 1, this processing is not required when shifting to STOP mode after the first
to 1 (see Figure 9-19, Example 1).
RWAIT to 0 and shifting to STOP mode after checking again by polling that RWST has become 0 (see Figure 9-
19, Example 2).
Waiting at least for 2
STOP mode
f
RTCE = 1
SUB
clocks
Figure 9-19. Procedure for Shifting to STOP Mode After Setting RTCE to 1
Example 1
Sets to counter operation
start
Shifts to STOP mode
CHAPTER 9 REAL-TIME COUNTER
User’s Manual U19678EJ1V1UD
No
No
SUB
RWST = 1 ?
RWST = 0 ?
STOP mode
) (about 62
RWAIT = 1
RWAIT = 0
RTCE = 1
Yes
Yes
μ
Example 2
s) have elapsed after setting RTCE
Sets to counter operation
start
Checks the counter wait status
Sets the counter operation
Sets to stop the SEC to YEAR
counters, reads the counter
value, write mode
Shifts to STOP mode
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