R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 852
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 17 32K Timer (TM32K)
17.5
17.5.1
If bits EXCKSN, CKS1, and CKS0 in TCR32K are written to while the TM32K is operating,
errors could occur in the incrementation. The TM32K must be stopped (the TME bit is set to 0)
before the values of bits EXCKSN, CKS1, and CKS0 are changed.
Note that when the EXCKSN bit is 0, the CKS1 bit can be changed even though the TME bit is 1
(see section 17.3.3, EXCKSN=0 Operation).
17.5.2
TCR32K, TCNT32K1, TCNT32K2, and TCNT32K3 of the 32K timer are initialized in hardware
standby mode or in the pin reset state. A reset from the watchdog timer or deep-software-standby
reset does not initialize these registers.
17.5.3
• The 32K timer does not operate when the OSC32STP bit is set to 1. Always set the
• When the OSC32STP bit has been changed from 1 to 0, allow enough time to ensure settling
• Before stopping the TM32K, clear the TME bit to 0 for one clock (30 μs) or longer by the
• When switching between subclock and main clock operation, wait for 500 μs or more (until
Rev. 1.00 Jan. 29, 2010 Page 820 of 1380
REJ09B0596-0100
OSC32STP bit to 0 when starting the 32K timer.
of the oscillation by the subclock oscillator.
subclock.
the timer counter is updated next time) before reading the timer counter.
Usage Notes
Changing Values of Bits EXCKSN, CKS1, and CKS0
Note on Register Initialization
Usage Notes on 32K Timer
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