R5F61668RN50FPV Renesas Electronics America, R5F61668RN50FPV Datasheet - Page 600

• Manufacturer Part Number: R5F61668RN50FPV
• Description: IC H8SX/1668 MCU FLASH 144LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61668RN50FPV

• 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
• For Use With: R0K561668S000BE - KIT STARTER FOR H8SX/1668R0K561664S001BE - KIT STARTER FOR H8SX/1651HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 12 Data Transfer Controller (DTC)
12.2.6
CRB is a 16-bit register that designates the number of times data is to be transferred by the DTC in
block transfer mode. It functions as a 16-bit transfer counter (1 to 65,536) that is decremented by 1
every time data is transferred, and bit DTCEn (n = 15 to 0) corresponding to the activation source
is cleared and then an interrupt is requested to the CPU when the count reaches H'0000. The
transfer count is 1 when CRB = H'0001, 65,535 when CRB = H'FFFF, and 65,536 when CRB =
H'0000.
CRB is not available in normal and repeat modes and cannot be accessed directly by the CPU.
12.2.7
DTCER, which is comprised of eight registers, DTCERA to DTCERF, is a register that specifies
DTC activation interrupt sources. The correspondence between interrupt sources and DTCE bits is
shown in table 12.1. Use bit manipulation instructions such as BSET and BCLR to read or write a
DTCE bit. If all interrupts are masked, multiple activation sources can be set at one time (only at
the initial setting) by writing data after executing a dummy read on the relevant register.
Rev. 2.00 Sep. 24, 2008 Page 566 of 1468
REJ09B0412-0200
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
DTC Transfer Count Register B (CRB)
DTC enable registers A to F (DTCERA to DTCERF)
DTCE15
DTCE7
R/W
R/W
15
0
7
0
DTCE14
DTCE6
R/W
R/W
14
0
6
0
DTCE13
DTCE5
R/W
R/W
13
0
5
0
DTCE12
DTCE4
R/W
R/W
12
0
4
0
DTCE11
DTCE3
R/W
R/W
11
3
0
0
DTCE10
DTCE2
R/W
R/W
10
0
2
0
DTCE9
DTCE1
R/W
R/W
9
0
1
0
DTCE8
DTCE0
R/W
R/W
8
0
0
0