tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 8

• Manufacturer Part Number: tmp88cs38ng
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

1.2
1.3
1.4
XOUT
Program Memory (ROM)
04000H to 13EFFH and FFF00H to FFFFFH.
04000H to 0BEFFH and FFF00H to FFFFFH. The TMP88CP38A contains a 48-Kbyte program
memory (Mask ROM) at address from 04000H to 0FEFFH and FFF00H to FFFFFH.
purpose.
Data Memory (RAM)
06BFH.
available as general-purpose register banks.
current bank addresses.
Note: The data memory contents become unstable when the power supply is turned on ; therefore,
System Clock Controller
controller.
XIN
Example: Clears RAM to “00H” except the bank 0 (TMP88CS38/CM38A/CP38A):
SRAMCLR:
The TMP88CS38 contains a 64-Kbyte program memory (Mask ROM) at addresses from
The TMP88CM38A contains a 32-Kbyte program memory (Mask ROM) at address from
Addresses FFF00H through FFFFFH in the program memory are also used for a particular
The TMP88CS38 has a 2-Kbyte data memory (Static RAM) address from 0040H to 08BFH.
The TMP88CM38A/P38A has a 1.5-Kbyte data memory (Static RAM) (Address from 0040H to
The first 128 bytes (Addresses 00040H through 000BFH) in the built-in RAM are also
The general-purpose registers are mapped in the RAM; therefore, do not clear RAM at the
The system clock controller consists of a clock generator, a timing generator, and a standby
the data memory should be initialized by an initialization routine. Note that the
general-purpose registers are mapped in the RAM; therefore, do not clear RAM at the
current bank addresses.
High-frequency
clock oscillator
LD
LD
LD
LD
DEC
JRS
generator
Clock
Figure 1.4.1 System Clock Controller
HL, 0048H
A, H
BC, 0877H
(HL+), A
BC
F, SRAMCLR
fc
Timing generator control register
00036H
88CS38-8
Clock generator control
;
;
;
System clocks
generator
TBTCR
Timing
Sets start address to HL register pair
Sets initial data (00H) to A register
Sets number of byte to BC register pair
00038H
TMP88CS38/CM38A/CP38A
SYSCR1
System control registers
Standby controller
00039H
SYSCR2
2007-09-12