UPD78F1211MC-GAA-AX Renesas Electronics America, UPD78F1211MC-GAA-AX Datasheet - Page 844
UPD78F1211MC-GAA-AX
Manufacturer Part Number
UPD78F1211MC-GAA-AX
Description
MCU 16BIT 78K0R/LX3 38-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1211MC-GAA-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
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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15.3 Register Controlling Multiplier/Divider
842
The multiplier/divider is controlled by using the multiplication/division control register (MDUC).
(1) Multiplication/division control register (MDUC)
Address: F00E8H
Symbol
MDUC
MDUC is an 8-bit register that controls the operation of the multiplier/divider.
MDUC can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Note DIVST can only be set (1) in the division mode. In the division mode, division operation is started by
Cautions 1. Do not rewrite DIVMODE during operation processing (while DIVST is 1). If it is rewritten,
setting (1) DIVST. DIVST is automatically cleared (0) when the operation ends. In the multiplication
mode, operation is automatically started by setting the multiplier and multiplicand to MDAH and MDAL,
respectively.
DIVMODE
DIVMODE
DIVST
2. DIVST cannot be cleared (0) by using software during division operation processing
<7>
Figure 15-5. Format of Multiplication/Division Control Register (MDUC)
0
1
0
1
the operation result will be an undefined value.
(while DIVST is 1).
Note
After reset: 00H
Multiplication mode
Division mode
Division operation processing complete
Starts division operation/division operation processing in progress
6
0
CHAPTER 15 MULTIPLIER/DIVIDER
R/W
5
0
User’s Manual U19678EJ1V1UD
Operation mode (multiplication/division) selection
4
0
Division operation start/stop
3
0
2
0
1
0
DIVST
<0>
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