EZ80F920120MOD Zilog, EZ80F920120MOD Datasheet - Page 97

• Manufacturer Part Number: EZ80F920120MOD
• Description: MODULE EZ80F92 512K 20MHZ
• Manufacturer: Zilog

Specifications of EZ80F920120MOD

• Module/board Type: Development Module
• Processor Series: EZ80F92x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 1 MB
• Interface Type: Cable
• Maximum Clock Frequency: 20 MHz
• Operating Supply Voltage: 0 V to 3.3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP
• Development Tools By Supplier: eZ80F920200ZCOG
• Minimum Operating Temperature: 0 C
• For Use With/related Products: eZ80F92
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3157; EZ80F920120MOD

PS015308-0404
Table 33. Timer Control Register
(TMR0_CTL = 0080h, TMR1_CTL = 0083h, TMR2_CTL = 0086h,
TMR3_CTL = 0089h, TMR4_CTL = 008Ch, or TMR5_CTL = 008Fh)
Bit
Reset
CPU Access
Note: R = Read only; R/W = Read/Write.
Bit
Position
7
PRT_IRQ
6
IRQ_EN
5
4
PRT_MODE
[3:2]
CLK_DIV
1
RST_EN
0
PRT_EN
Value
0
1
0
1
0
0
1
00
01
10
11
0
1
0
1
Description
The timer does not reach its end-of-count value. This bit is
reset to 0 every time the TMRx_CTL register is read.
The timer reaches its end-of-count value. If IRQ_EN is set to 1,
an interrupt signal is sent to the CPU. This bit remains 1 until
the TMRx_CTL register is read.
Timer interrupt requests are disabled.
Timer interrupt requests are enabled.
Reserved.
The timer operates in SINGLE PASS mode. PRT_EN (bit 0) is
reset to 0, and counting stops when the end-of-count value is
reached.
The timer operates in CONTINUOUS mode. The timer reload
value is written to the counter when the end-of-count value is
reached.
Clock ÷ 4 is the timer input source.
Clock ÷ 16 is the timer input source.
Clock ÷ 64 is the timer input source.
Clock ÷ 256 is the timer input source.
The automatic reload and restart function is disabled.
The automatic reload and restart function is enabled. When a 1
is written to RST_EN, the values in the reload registers are
loaded into the downcounter and the timer restarts.
The programmable reload timer is disabled.
The programmable reload timer is enabled.
P R E L I M I N A R Y
R
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
Programmable Reload Timers
Product Specification
R/W
2
0
eZ80F92/eZ80F93
R/W
1
0
R/W
0
0
85