R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 543
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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In external request mode, an EXDMA transfer cycle is started a minimum of three cycles after a
transfer request is accepted. The next transfer request is accepted after the end of a one-transfer-
unit EXDMA cycle. For external bus space CPU cycles, at least one bus cycle is generated before
the next EXDMA cycle.
If a transfer request is generated for the other channel, an EXDMA cycle for the other channel is
generated before the next EXDMA cycle.
The EDREQ pin sensing timing is different for low level sensing and falling edge sensing. The
same applies to transfer request acceptance and transfer start timing.
Bφ
Bus cycle
EDACK of
current channel
ETEND of
current channel
Transfer request of
the other channel
EDREQ
Figure 11.43 External Bus Master Cycle Steal Function (Auto-Request/Normal Transfer
External Request/Normal Transfer Mode/Cycle Steal Mode
Bus cycle
CPU operation
Mode/Burst Mode with CPU Cycles/Single Address Mode/EBCCS = 1)
Figure 11.42 Auto-Request/Normal Transfer Mode/Burst Mode
Bus release
(Conflict with the Other Channel/Single Address Mode)
Internal space
EXDMA
EXDMAC single
transfer cycle
EXDMA
External space
EXDMAC single
CPU
transfer cycle
EXDMA
External space
Last transfer cycle
EXDMAC single
transfer cycle
Rev. 1.00 Jan. 29, 2010 Page 511 of 1380
Section 11 EXDMA Controller (EXDMAC)
CPU
EXDMAC cycle of
EXDMA
the other channel
Internal space
REJ09B0596-0100
EXDMA
release
Bus
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