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TMP92CZ26A
92CZ26A-14
3. Operation
This section describes the basic components, functions and operation of the TMP92CZ26A.
3.1 CPU
The TMP92CZ26A contains an advanced high-speed 32-bit CPU (900/H1 CPU)
3.1.1 CPU Outline
900/H1 CPU is high-speed and high-performance CPU based on 900/L1 CPU. 900/H1
CPU has expanded 32-bit internal data bus to process Instructions more quickly.
Outline is as follows:
Table 3.1.1Outline of TMP92CZ26A
Parameter TMP92CZ26A
Width of CPU Address Bus 24-bit
Width of CPU Data Bus 32-bit
Internal Operating Frequency Max 80MHz
Minimum Bus Cycle 1-clock access
(12.5ns at 80MHz)
Internal RAM 32-bit 2-1-1-1 clock access
Internal Boot ROM 32 bit 2-clock access
8-bit,
2-clock access
INTC,SDRAMC,
MEMC,LCDC,
TSI,PORT,
PMC
16-bit,
2-clock access
MMU,USB,
NDFC,SPIC,DMAC
32-bit,
2-clock access
I2S
MAC
32-bit,
1-clock access
MAC
Internal I/O
8-bit,
5 to 6-clock access
TMRA,TMRB,
SIO,RTC,
MLD/ALM, SBI
CGEAR,ADC,WDT
External memory
(SRAM, MASKROM etc.)
8/16-bit 2-clock access
(can insert some waits)
External memory
(SDRAM)
16-bit 1-clock access
External memory
(NAND FLASH)
8/16-bit 2-clock access
(can inset some waits)
Minimum Instruction
Execution Cycle
1-clock(12.5ns at 80MHz)
Conditional Jump 2-clock(25.0ns at 80MHz)
Instruction Queue Buffer 12-byte
Instruction Set Compatible with TLCS-900/L1
(LDX instruction is deleted)
CPU mode Only maximum mode
Micro DMA 8-channel
Hardware DMA 6-channel