UPD78F1146AGA-HAB-AX Renesas Electronics America, UPD78F1146AGA-HAB-AX Datasheet - Page 57
UPD78F1146AGA-HAB-AX
Manufacturer Part Number
UPD78F1146AGA-HAB-AX
Description
MCU 16BIT 78K0R/KX3 64-TQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1146AGA-HAB-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
1.8 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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3.1.2 Mirror area
flash area of 00000H to 0FFFFH or 10000H to 1FFFFH, to F0000H to FFFFFH (the data flash area to be mirrored is
set by the processor mode control register (PMC)).
used, and thus the contents of the data flash can be read with the shorter code. However, the data flash area is not
mirrored to the SFR, extended SFR, RAM, and use prohibited areas.
The
The
By reading data from F0000H to FFFFFH, an instruction that does not have the ES registers as an operand can be
See 3.1 Memory Space for the mirror area of each product.
The mirror area can only be read and no instruction can be fetched from this area.
The following show examples.
Remark MAA: Bit 0 of the processor mode control register (PMC).
PMC register is described below.
μ
μ
PD78F1142 and 78F1142A mirror the data flash area of 00000H to 0FFFFH, to F0000H to FFFFFH.
PD78F1143, 78F1143A, 78F1144, 78F1144A, 78F1145, 78F1145A, 78F1146, 78F1146A mirror the data
(Flash memory: 64 KB, RAM: 4 KB)
Example 1
F F F 0 0 H
F F E F F H
F 0 0 0 0 H
E F F F F H
1 0 0 0 0 H
0 F F F F H
0 1 0 0 0 H
0 0 F F F H
0 0 0 0 0 H
F F F F F H
F F E E 0 H
FFEDFH
F E F 0 0 H
FEEFFH
F 1 0 0 0 H
F 0 F F F H
F 0 8 0 0 H
F 0 7 F F H
0 E F 0 0 H
0 E E F F H
(same data as 01000H to 0EEFFH)
Special-function register (2nd
General-purpose register
Special-function register
Setting MAA = 0
μ
PD78F1142, 78F1142A
32 bytes
Flash memory
Flash memory
Flash memory
Flash memory
256 bytes
Reserved
Reserved
RAM
4 KB
2 KB
(SFR)
For example, 02345H is mirrored to
F2345H. Data can therefore be read by
MOV A, !2345H, instead of MOV ES,
#00H and MOV A, ES:!2345H.
SFR)
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U17854EJ9V0UD
Mirror
(Flash memory: 256 KB, RAM: 12 KB)
Example 2
F F F F F H
F F F 0 0 H
F F E F F H
F 0 0 0 0 H
E F F F F H
4 0 0 0 0 H
3 F F F F H
F F E E 0 H
FFEDFH
F C F 0 0 H
FCEFFH
F 1 0 0 0 H
F 0 F F F H
F 0 8 0 0 H
F 0 7 F F H
1 C F 0 0 H
1CEFFH
1 1 0 0 0 H
1 0 F F F H
0 0 0 0 0 H
(same data as 11000H to 1CEFFH)
Special-function register (2nd
General-purpose register
Special-function register
Setting MAA = 1
μ
PD78F1146, 78F1146A
32 bytes
Flash memory
Flash memory
Flash memory
Flash memory
Reserved
256 bytes
Reserved
12 KB
RAM
2 KB
(SFR)
SFR)
For example, 15432H is mirrored to
F5432H. Data can therefore be read by
MOV A, !5432H, instead of MOV ES,
#01H and MOV A, ES:!5432H.
Mirror
55
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